39871790

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{81371}}^1$

素因数の和:81392

約数の個数: 24

約数和(自身を含む): 83487672

約数和(自身を除く): 43615882

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 81371, 162742, 406855, 569597, 813710, 1139194, 2847985, 3987179, 5695970, 7974358, 19935895, 39871790]

約数ペア:

[(1, 39871790), (2, 19935895), (5, 7974358), (7, 5695970), (10, 3987179), (14, 2847985), (35, 1139194), (49, 813710), (70, 569597), (98, 406855), (245, 162742), (490, 81371)]