12630280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{227}}^1$

素因数の和:358

約数の個数: 64

約数和(自身を含む): 31026240

約数和(自身を除く): 18395960

約数列:

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

約数ペア:

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