40879240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23767}}^1$

素因数の和:23821

約数の個数: 32

約数和(自身を含む): 94121280

約数和(自身を除く): 53242040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 23767, 47534, 95068, 118835, 190136, 237670, 475340, 950680, 1021981, 2043962, 4087924, 5109905, 8175848, 10219810, 20439620, 40879240]

約数ペア:

[(1, 40879240), (2, 20439620), (4, 10219810), (5, 8175848), (8, 5109905), (10, 4087924), (20, 2043962), (40, 1021981), (43, 950680), (86, 475340), (172, 237670), (215, 190136), (344, 118835), (430, 95068), (860, 47534), (1720, 23767)]