40504720

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:340

約数の個数: 80

約数和(自身を含む): 98712432

約数和(自身を除く): 58207712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 53, 80, 82, 106, 164, 205, 212, 233, 265, 328, 410, 424, 466, 530, 656, 820, 848, 932, 1060, 1165, 1640, 1864, 2120, 2173, 2330, 3280, 3728, 4240, 4346, 4660, 8692, 9320, 9553, 10865, 12349, 17384, 18640, 19106, 21730, 24698, 34768, 38212, 43460, 47765, 49396, 61745, 76424, 86920, 95530, 98792, 123490, 152848, 173840, 191060, 197584, 246980, 382120, 493960, 506309, 764240, 987920, 1012618, 2025236, 2531545, 4050472, 5063090, 8100944, 10126180, 20252360, 40504720]

約数ペア:

[(1, 40504720), (2, 20252360), (4, 10126180), (5, 8100944), (8, 5063090), (10, 4050472), (16, 2531545), (20, 2025236), (40, 1012618), (41, 987920), (53, 764240), (80, 506309), (82, 493960), (106, 382120), (164, 246980), (205, 197584), (212, 191060), (233, 173840), (265, 152848), (328, 123490), (410, 98792), (424, 95530), (466, 86920), (530, 76424), (656, 61745), (820, 49396), (848, 47765), (932, 43460), (1060, 38212), (1165, 34768), (1640, 24698), (1864, 21730), (2120, 19106), (2173, 18640), (2330, 17384), (3280, 12349), (3728, 10865), (4240, 9553), (4346, 9320), (4660, 8692)]