7798480

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2267}}^1$

素因数の和:2323

約数の個数: 40

約数和(自身を含む): 18561312

約数和(自身を除く): 10762832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 2267, 3440, 4534, 9068, 11335, 18136, 22670, 36272, 45340, 90680, 97481, 181360, 194962, 389924, 487405, 779848, 974810, 1559696, 1949620, 3899240, 7798480]

約数ペア:

[(1, 7798480), (2, 3899240), (4, 1949620), (5, 1559696), (8, 974810), (10, 779848), (16, 487405), (20, 389924), (40, 194962), (43, 181360), (80, 97481), (86, 90680), (172, 45340), (215, 36272), (344, 22670), (430, 18136), (688, 11335), (860, 9068), (1720, 4534), (2267, 3440)]