521952080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{3079}}^1$

素因数の和:3268

約数の個数: 80

約数和(自身を含む): 1315332480

約数和(自身を除く): 793380400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 163, 208, 260, 326, 520, 652, 815, 1040, 1304, 1630, 2119, 2608, 3079, 3260, 4238, 6158, 6520, 8476, 10595, 12316, 13040, 15395, 16952, 21190, 24632, 30790, 33904, 40027, 42380, 49264, 61580, 80054, 84760, 123160, 160108, 169520, 200135, 246320, 320216, 400270, 501877, 640432, 800540, 1003754, 1601080, 2007508, 2509385, 3202160, 4015016, 5018770, 6524401, 8030032, 10037540, 13048802, 20075080, 26097604, 32622005, 40150160, 52195208, 65244010, 104390416, 130488020, 260976040, 521952080]

約数ペア:

[(1, 521952080), (2, 260976040), (4, 130488020), (5, 104390416), (8, 65244010), (10, 52195208), (13, 40150160), (16, 32622005), (20, 26097604), (26, 20075080), (40, 13048802), (52, 10037540), (65, 8030032), (80, 6524401), (104, 5018770), (130, 4015016), (163, 3202160), (208, 2509385), (260, 2007508), (326, 1601080), (520, 1003754), (652, 800540), (815, 640432), (1040, 501877), (1304, 400270), (1630, 320216), (2119, 246320), (2608, 200135), (3079, 169520), (3260, 160108), (4238, 123160), (6158, 84760), (6520, 80054), (8476, 61580), (10595, 49264), (12316, 42380), (13040, 40027), (15395, 33904), (16952, 30790), (21190, 24632)]