13305781250

素因数分解:

$2^1\times 5^7\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:176

約数の個数: 128

約数和(自身を含む): 26774931456

約数和(自身を除く): 13469150206

約数列:

[1, 2, 5, 10, 25, 31, 41, 50, 62, 67, 82, 125, 134, 155, 205, 250, 310, 335, 410, 625, 670, 775, 1025, 1250, 1271, 1550, 1675, 2050, 2077, 2542, 2747, 3125, 3350, 3875, 4154, 5125, 5494, 6250, 6355, 7750, 8375, 10250, 10385, 12710, 13735, 15625, 16750, 19375, 20770, 25625, 27470, 31250, 31775, 38750, 41875, 51250, 51925, 63550, 68675, 78125, 83750, 85157, 96875, 103850, 128125, 137350, 156250, 158875, 170314, 193750, 209375, 256250, 259625, 317750, 343375, 418750, 425785, 484375, 519250, 640625, 686750, 794375, 851570, 968750, 1046875, 1281250, 1298125, 1588750, 1716875, 2093750, 2128925, 2421875, 2596250, 3203125, 3433750, 3971875, 4257850, 4843750, 5234375, 6406250, 6490625, 7943750, 8584375, 10468750, 10644625, 12981250, 17168750, 19859375, 21289250, 32453125, 39718750, 42921875, 53223125, 64906250, 85843750, 99296875, 106446250, 162265625, 198593750, 214609375, 266115625, 324531250, 429218750, 532231250, 1330578125, 2661156250, 6652890625, 13305781250]

約数ペア:

[(1, 13305781250), (2, 6652890625), (5, 2661156250), (10, 1330578125), (25, 532231250), (31, 429218750), (41, 324531250), (50, 266115625), (62, 214609375), (67, 198593750), (82, 162265625), (125, 106446250), (134, 99296875), (155, 85843750), (205, 64906250), (250, 53223125), (310, 42921875), (335, 39718750), (410, 32453125), (625, 21289250), (670, 19859375), (775, 17168750), (1025, 12981250), (1250, 10644625), (1271, 10468750), (1550, 8584375), (1675, 7943750), (2050, 6490625), (2077, 6406250), (2542, 5234375), (2747, 4843750), (3125, 4257850), (3350, 3971875), (3875, 3433750), (4154, 3203125), (5125, 2596250), (5494, 2421875), (6250, 2128925), (6355, 2093750), (7750, 1716875), (8375, 1588750), (10250, 1298125), (10385, 1281250), (12710, 1046875), (13735, 968750), (15625, 851570), (16750, 794375), (19375, 686750), (20770, 640625), (25625, 519250), (27470, 484375), (31250, 425785), (31775, 418750), (38750, 343375), (41875, 317750), (51250, 259625), (51925, 256250), (63550, 209375), (68675, 193750), (78125, 170314), (83750, 158875), (85157, 156250), (96875, 137350), (103850, 128125)]