128144080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{317}}^1$

素因数の和:524

約数の個数: 80

約数和(自身を含む): 310408704

約数和(自身を除く): 182264624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 163, 248, 310, 317, 326, 496, 620, 634, 652, 815, 1240, 1268, 1304, 1585, 1630, 2480, 2536, 2608, 3170, 3260, 5053, 5072, 6340, 6520, 9827, 10106, 12680, 13040, 19654, 20212, 25265, 25360, 39308, 40424, 49135, 50530, 51671, 78616, 80848, 98270, 101060, 103342, 157232, 196540, 202120, 206684, 258355, 393080, 404240, 413368, 516710, 786160, 826736, 1033420, 1601801, 2066840, 3203602, 4133680, 6407204, 8009005, 12814408, 16018010, 25628816, 32036020, 64072040, 128144080]

約数ペア:

[(1, 128144080), (2, 64072040), (4, 32036020), (5, 25628816), (8, 16018010), (10, 12814408), (16, 8009005), (20, 6407204), (31, 4133680), (40, 3203602), (62, 2066840), (80, 1601801), (124, 1033420), (155, 826736), (163, 786160), (248, 516710), (310, 413368), (317, 404240), (326, 393080), (496, 258355), (620, 206684), (634, 202120), (652, 196540), (815, 157232), (1240, 103342), (1268, 101060), (1304, 98270), (1585, 80848), (1630, 78616), (2480, 51671), (2536, 50530), (2608, 49135), (3170, 40424), (3260, 39308), (5053, 25360), (5072, 25265), (6340, 20212), (6520, 19654), (9827, 13040), (10106, 12680)]