203490659320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{391328191}}^1$

素因数の和:391328215

約数の個数: 32

約数和(自身を含む): 493073521920

約数和(自身を除く): 289582862600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 391328191, 782656382, 1565312764, 1956640955, 3130625528, 3913281910, 5087266483, 7826563820, 10174532966, 15653127640, 20349065932, 25436332415, 40698131864, 50872664830, 101745329660, 203490659320]

約数ペア:

[(1, 203490659320), (2, 101745329660), (4, 50872664830), (5, 40698131864), (8, 25436332415), (10, 20349065932), (13, 15653127640), (20, 10174532966), (26, 7826563820), (40, 5087266483), (52, 3913281910), (65, 3130625528), (104, 1956640955), (130, 1565312764), (260, 782656382), (520, 391328191)]