1431265720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{821}}^1\times {\mathrm{1063}}^1$

素因数の和:1936

約数の個数: 64

約数和(自身を含む): 3306018240

約数和(自身を除く): 1874752520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 821, 1063, 1640, 1642, 2126, 3284, 4105, 4252, 5315, 6568, 8210, 8504, 10630, 16420, 21260, 32840, 33661, 42520, 43583, 67322, 87166, 134644, 168305, 174332, 217915, 269288, 336610, 348664, 435830, 673220, 871660, 872723, 1346440, 1743320, 1745446, 3490892, 4363615, 6981784, 8727230, 17454460, 34908920, 35781643, 71563286, 143126572, 178908215, 286253144, 357816430, 715632860, 1431265720]

約数ペア:

[(1, 1431265720), (2, 715632860), (4, 357816430), (5, 286253144), (8, 178908215), (10, 143126572), (20, 71563286), (40, 35781643), (41, 34908920), (82, 17454460), (164, 8727230), (205, 6981784), (328, 4363615), (410, 3490892), (820, 1745446), (821, 1743320), (1063, 1346440), (1640, 872723), (1642, 871660), (2126, 673220), (3284, 435830), (4105, 348664), (4252, 336610), (5315, 269288), (6568, 217915), (8210, 174332), (8504, 168305), (10630, 134644), (16420, 87166), (21260, 67322), (32840, 43583), (33661, 42520)]