16641962500

素因数分解:

$2^2\times 5^5\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{641}}^1$

素因数の和:768

約数の個数: 144

約数和(自身を含む): 38196555264

約数和(自身を除く): 21554592764

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 67, 100, 124, 125, 134, 155, 250, 268, 310, 335, 500, 620, 625, 641, 670, 775, 1250, 1282, 1340, 1550, 1675, 2077, 2500, 2564, 3100, 3125, 3205, 3350, 3875, 4154, 6250, 6410, 6700, 7750, 8308, 8375, 10385, 12500, 12820, 15500, 16025, 16750, 19375, 19871, 20770, 32050, 33500, 38750, 39742, 41540, 41875, 42947, 51925, 64100, 77500, 79484, 80125, 83750, 85894, 96875, 99355, 103850, 160250, 167500, 171788, 193750, 198710, 207700, 209375, 214735, 259625, 320500, 387500, 397420, 400625, 418750, 429470, 496775, 519250, 801250, 837500, 858940, 993550, 1038500, 1073675, 1298125, 1331357, 1602500, 1987100, 2003125, 2147350, 2483875, 2596250, 2662714, 4006250, 4294700, 4967750, 5192500, 5325428, 5368375, 6490625, 6656785, 8012500, 9935500, 10736750, 12419375, 12981250, 13313570, 21473500, 24838750, 25962500, 26627140, 26841875, 33283925, 49677500, 53683750, 62096875, 66567850, 107367500, 124193750, 133135700, 134209375, 166419625, 248387500, 268418750, 332839250, 536837500, 665678500, 832098125, 1664196250, 3328392500, 4160490625, 8320981250, 16641962500]

約数ペア:

[(1, 16641962500), (2, 8320981250), (4, 4160490625), (5, 3328392500), (10, 1664196250), (20, 832098125), (25, 665678500), (31, 536837500), (50, 332839250), (62, 268418750), (67, 248387500), (100, 166419625), (124, 134209375), (125, 133135700), (134, 124193750), (155, 107367500), (250, 66567850), (268, 62096875), (310, 53683750), (335, 49677500), (500, 33283925), (620, 26841875), (625, 26627140), (641, 25962500), (670, 24838750), (775, 21473500), (1250, 13313570), (1282, 12981250), (1340, 12419375), (1550, 10736750), (1675, 9935500), (2077, 8012500), (2500, 6656785), (2564, 6490625), (3100, 5368375), (3125, 5325428), (3205, 5192500), (3350, 4967750), (3875, 4294700), (4154, 4006250), (6250, 2662714), (6410, 2596250), (6700, 2483875), (7750, 2147350), (8308, 2003125), (8375, 1987100), (10385, 1602500), (12500, 1331357), (12820, 1298125), (15500, 1073675), (16025, 1038500), (16750, 993550), (19375, 858940), (19871, 837500), (20770, 801250), (32050, 519250), (33500, 496775), (38750, 429470), (39742, 418750), (41540, 400625), (41875, 397420), (42947, 387500), (51925, 320500), (64100, 259625), (77500, 214735), (79484, 209375), (80125, 207700), (83750, 198710), (85894, 193750), (96875, 171788), (99355, 167500), (103850, 160250)]