80536760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{607}}^1$

素因数の和:756

約数の個数: 64

約数和(自身を含む): 189112320

約数和(自身を除く): 108575560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 107, 124, 155, 214, 248, 310, 428, 535, 607, 620, 856, 1070, 1214, 1240, 2140, 2428, 3035, 3317, 4280, 4856, 6070, 6634, 12140, 13268, 16585, 18817, 24280, 26536, 33170, 37634, 64949, 66340, 75268, 94085, 129898, 132680, 150536, 188170, 259796, 324745, 376340, 519592, 649490, 752680, 1298980, 2013419, 2597960, 4026838, 8053676, 10067095, 16107352, 20134190, 40268380, 80536760]

約数ペア:

[(1, 80536760), (2, 40268380), (4, 20134190), (5, 16107352), (8, 10067095), (10, 8053676), (20, 4026838), (31, 2597960), (40, 2013419), (62, 1298980), (107, 752680), (124, 649490), (155, 519592), (214, 376340), (248, 324745), (310, 259796), (428, 188170), (535, 150536), (607, 132680), (620, 129898), (856, 94085), (1070, 75268), (1214, 66340), (1240, 64949), (2140, 37634), (2428, 33170), (3035, 26536), (3317, 24280), (4280, 18817), (4856, 16585), (6070, 13268), (6634, 12140)]