131984320

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31727}}^1$

素因数の和:31757

約数の個数: 56

約数和(自身を含む): 338474304

約数和(自身を除く): 206489984

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 31727, 63454, 126908, 158635, 253816, 317270, 412451, 507632, 634540, 824902, 1015264, 1269080, 1649804, 2030528, 2062255, 2538160, 3299608, 4124510, 5076320, 6599216, 8249020, 10152640, 13198432, 16498040, 26396864, 32996080, 65992160, 131984320]

約数ペア:

[(1, 131984320), (2, 65992160), (4, 32996080), (5, 26396864), (8, 16498040), (10, 13198432), (13, 10152640), (16, 8249020), (20, 6599216), (26, 5076320), (32, 4124510), (40, 3299608), (52, 2538160), (64, 2062255), (65, 2030528), (80, 1649804), (104, 1269080), (130, 1015264), (160, 824902), (208, 634540), (260, 507632), (320, 412451), (416, 317270), (520, 253816), (832, 158635), (1040, 126908), (2080, 63454), (4160, 31727)]