40209404

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{241}}^1\times {\mathrm{787}}^1$

素因数の和:1085

約数の個数: 24

約数和(自身を含む): 72083088

約数和(自身を除く): 31873684

約数列:

[1, 2, 4, 53, 106, 212, 241, 482, 787, 964, 1574, 3148, 12773, 25546, 41711, 51092, 83422, 166844, 189667, 379334, 758668, 10052351, 20104702, 40209404]

約数ペア:

[(1, 40209404), (2, 20104702), (4, 10052351), (53, 758668), (106, 379334), (212, 189667), (241, 166844), (482, 83422), (787, 51092), (964, 41711), (1574, 25546), (3148, 12773)]