25260560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{227}}^1$

素因数の和:360

約数の個数: 80

約数和(自身を含む): 64120896

約数和(自身を除く): 38860336

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 107, 130, 208, 214, 227, 260, 428, 454, 520, 535, 856, 908, 1040, 1070, 1135, 1391, 1712, 1816, 2140, 2270, 2782, 2951, 3632, 4280, 4540, 5564, 5902, 6955, 8560, 9080, 11128, 11804, 13910, 14755, 18160, 22256, 23608, 24289, 27820, 29510, 47216, 48578, 55640, 59020, 97156, 111280, 118040, 121445, 194312, 236080, 242890, 315757, 388624, 485780, 631514, 971560, 1263028, 1578785, 1943120, 2526056, 3157570, 5052112, 6315140, 12630280, 25260560]

約数ペア:

[(1, 25260560), (2, 12630280), (4, 6315140), (5, 5052112), (8, 3157570), (10, 2526056), (13, 1943120), (16, 1578785), (20, 1263028), (26, 971560), (40, 631514), (52, 485780), (65, 388624), (80, 315757), (104, 242890), (107, 236080), (130, 194312), (208, 121445), (214, 118040), (227, 111280), (260, 97156), (428, 59020), (454, 55640), (520, 48578), (535, 47216), (856, 29510), (908, 27820), (1040, 24289), (1070, 23608), (1135, 22256), (1391, 18160), (1712, 14755), (1816, 13910), (2140, 11804), (2270, 11128), (2782, 9080), (2951, 8560), (3632, 6955), (4280, 5902), (4540, 5564)]