22819240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{13267}}^1$

素因数の和:13321

約数の個数: 32

約数和(自身を含む): 52541280

約数和(自身を除く): 29722040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 13267, 26534, 53068, 66335, 106136, 132670, 265340, 530680, 570481, 1140962, 2281924, 2852405, 4563848, 5704810, 11409620, 22819240]

約数ペア:

[(1, 22819240), (2, 11409620), (4, 5704810), (5, 4563848), (8, 2852405), (10, 2281924), (20, 1140962), (40, 570481), (43, 530680), (86, 265340), (172, 132670), (215, 106136), (344, 66335), (430, 53068), (860, 26534), (1720, 13267)]