71582680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137659}}^1$

素因数の和:137683

約数の個数: 32

約数和(自身を含む): 173451600

約数和(自身を除く): 101868920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 137659, 275318, 550636, 688295, 1101272, 1376590, 1789567, 2753180, 3579134, 5506360, 7158268, 8947835, 14316536, 17895670, 35791340, 71582680]

約数ペア:

[(1, 71582680), (2, 35791340), (4, 17895670), (5, 14316536), (8, 8947835), (10, 7158268), (13, 5506360), (20, 3579134), (26, 2753180), (40, 1789567), (52, 1376590), (65, 1101272), (104, 688295), (130, 550636), (260, 275318), (520, 137659)]