2015590160

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1\times {\mathrm{1231}}^1$

素因数の和:1552

約数の個数: 80

約数和(自身を含む): 4760861952

約数和(自身を除く): 2745271792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 211, 388, 422, 485, 776, 844, 970, 1055, 1231, 1552, 1688, 1940, 2110, 2462, 3376, 3880, 4220, 4924, 6155, 7760, 8440, 9848, 12310, 16880, 19696, 20467, 24620, 40934, 49240, 81868, 98480, 102335, 119407, 163736, 204670, 238814, 259741, 327472, 409340, 477628, 519482, 597035, 818680, 955256, 1038964, 1194070, 1298705, 1637360, 1910512, 2077928, 2388140, 2597410, 4155856, 4776280, 5194820, 9552560, 10389640, 20779280, 25194877, 50389754, 100779508, 125974385, 201559016, 251948770, 403118032, 503897540, 1007795080, 2015590160]

約数ペア:

[(1, 2015590160), (2, 1007795080), (4, 503897540), (5, 403118032), (8, 251948770), (10, 201559016), (16, 125974385), (20, 100779508), (40, 50389754), (80, 25194877), (97, 20779280), (194, 10389640), (211, 9552560), (388, 5194820), (422, 4776280), (485, 4155856), (776, 2597410), (844, 2388140), (970, 2077928), (1055, 1910512), (1231, 1637360), (1552, 1298705), (1688, 1194070), (1940, 1038964), (2110, 955256), (2462, 818680), (3376, 597035), (3880, 519482), (4220, 477628), (4924, 409340), (6155, 327472), (7760, 259741), (8440, 238814), (9848, 204670), (12310, 163736), (16880, 119407), (19696, 102335), (20467, 98480), (24620, 81868), (40934, 49240)]