55920680

素因数分解:

$2^3\times 5^1\times {\mathrm{1398017}}^1$

素因数の和:1398028

約数の個数: 16

約数和(自身を含む): 125821620

約数和(自身を除く): 69900940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1398017, 2796034, 5592068, 6990085, 11184136, 13980170, 27960340, 55920680]

約数ペア:

[(1, 55920680), (2, 27960340), (4, 13980170), (5, 11184136), (8, 6990085), (10, 5592068), (20, 2796034), (40, 1398017)]