40886840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{233}}^1$

素因数の和:392

約数の個数: 64

約数和(自身を含む): 95528160

約数和(自身を除く): 54641320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 107, 164, 205, 214, 233, 328, 410, 428, 466, 535, 820, 856, 932, 1070, 1165, 1640, 1864, 2140, 2330, 4280, 4387, 4660, 8774, 9320, 9553, 17548, 19106, 21935, 24931, 35096, 38212, 43870, 47765, 49862, 76424, 87740, 95530, 99724, 124655, 175480, 191060, 199448, 249310, 382120, 498620, 997240, 1022171, 2044342, 4088684, 5110855, 8177368, 10221710, 20443420, 40886840]

約数ペア:

[(1, 40886840), (2, 20443420), (4, 10221710), (5, 8177368), (8, 5110855), (10, 4088684), (20, 2044342), (40, 1022171), (41, 997240), (82, 498620), (107, 382120), (164, 249310), (205, 199448), (214, 191060), (233, 175480), (328, 124655), (410, 99724), (428, 95530), (466, 87740), (535, 76424), (820, 49862), (856, 47765), (932, 43870), (1070, 38212), (1165, 35096), (1640, 24931), (1864, 21935), (2140, 19106), (2330, 17548), (4280, 9553), (4387, 9320), (4660, 8774)]