20343645500

素因数分解:

$2^2\times 5^3\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{7687}}^1$

素因数の和:7852

約数の個数: 96

約数和(自身を含む): 45670410240

約数和(自身を除く): 25326764740

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 67, 79, 100, 125, 134, 158, 250, 268, 316, 335, 395, 500, 670, 790, 1340, 1580, 1675, 1975, 3350, 3950, 5293, 6700, 7687, 7900, 8375, 9875, 10586, 15374, 16750, 19750, 21172, 26465, 30748, 33500, 38435, 39500, 52930, 76870, 105860, 132325, 153740, 192175, 264650, 384350, 515029, 529300, 607273, 661625, 768700, 960875, 1030058, 1214546, 1323250, 1921750, 2060116, 2429092, 2575145, 2646500, 3036365, 3843500, 5150290, 6072730, 10300580, 12145460, 12875725, 15181825, 25751450, 30363650, 40687291, 51502900, 60727300, 64378625, 75909125, 81374582, 128757250, 151818250, 162749164, 203436455, 257514500, 303636500, 406872910, 813745820, 1017182275, 2034364550, 4068729100, 5085911375, 10171822750, 20343645500]

約数ペア:

[(1, 20343645500), (2, 10171822750), (4, 5085911375), (5, 4068729100), (10, 2034364550), (20, 1017182275), (25, 813745820), (50, 406872910), (67, 303636500), (79, 257514500), (100, 203436455), (125, 162749164), (134, 151818250), (158, 128757250), (250, 81374582), (268, 75909125), (316, 64378625), (335, 60727300), (395, 51502900), (500, 40687291), (670, 30363650), (790, 25751450), (1340, 15181825), (1580, 12875725), (1675, 12145460), (1975, 10300580), (3350, 6072730), (3950, 5150290), (5293, 3843500), (6700, 3036365), (7687, 2646500), (7900, 2575145), (8375, 2429092), (9875, 2060116), (10586, 1921750), (15374, 1323250), (16750, 1214546), (19750, 1030058), (21172, 960875), (26465, 768700), (30748, 661625), (33500, 607273), (38435, 529300), (39500, 515029), (52930, 384350), (76870, 264650), (105860, 192175), (132325, 153740)]