65513540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{105667}}^1$

素因数の和:105707

約数の個数: 24

約数和(自身を含む): 142017792

約数和(自身を除く): 76504252

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 105667, 211334, 422668, 528335, 1056670, 2113340, 3275677, 6551354, 13102708, 16378385, 32756770, 65513540]

約数ペア:

[(1, 65513540), (2, 32756770), (4, 16378385), (5, 13102708), (10, 6551354), (20, 3275677), (31, 2113340), (62, 1056670), (124, 528335), (155, 422668), (310, 211334), (620, 105667)]