77319320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{148691}}^1$

素因数の和:148715

約数の個数: 32

約数和(自身を含む): 187351920

約数和(自身を除く): 110032600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 148691, 297382, 594764, 743455, 1189528, 1486910, 1932983, 2973820, 3865966, 5947640, 7731932, 9664915, 15463864, 19329830, 38659660, 77319320]

約数ペア:

[(1, 77319320), (2, 38659660), (4, 19329830), (5, 15463864), (8, 9664915), (10, 7731932), (13, 5947640), (20, 3865966), (26, 2973820), (40, 1932983), (52, 1486910), (65, 1189528), (104, 743455), (130, 594764), (260, 297382), (520, 148691)]