39998770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{2371}}^1$

素因数の和:2626

約数の個数: 32

約数和(自身を含む): 82659456

約数和(自身を除く): 42660686

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 241, 482, 1205, 1687, 2371, 2410, 3374, 4742, 8435, 11855, 16597, 16870, 23710, 33194, 82985, 165970, 571411, 1142822, 2857055, 3999877, 5714110, 7999754, 19999385, 39998770]

約数ペア:

[(1, 39998770), (2, 19999385), (5, 7999754), (7, 5714110), (10, 3999877), (14, 2857055), (35, 1142822), (70, 571411), (241, 165970), (482, 82985), (1205, 33194), (1687, 23710), (2371, 16870), (2410, 16597), (3374, 11855), (4742, 8435)]