4026551390

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{509}}^1\times {\mathrm{18397}}^1$

素因数の和:18956

約数の個数: 32

約数和(自身を含む): 7431320160

約数和(自身を除く): 3404768770

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 509, 1018, 2545, 5090, 18397, 21887, 36794, 43774, 91985, 109435, 183970, 218870, 791071, 1582142, 3955355, 7910710, 9364073, 18728146, 46820365, 93640730, 402655139, 805310278, 2013275695, 4026551390]

約数ペア:

[(1, 4026551390), (2, 2013275695), (5, 805310278), (10, 402655139), (43, 93640730), (86, 46820365), (215, 18728146), (430, 9364073), (509, 7910710), (1018, 3955355), (2545, 1582142), (5090, 791071), (18397, 218870), (21887, 183970), (36794, 109435), (43774, 91985)]