65604040

素因数分解:

$2^3\times 5^1\times {\mathrm{673}}^1\times {\mathrm{2437}}^1$

素因数の和:3121

約数の個数: 32

約数和(自身を含む): 147889080

約数和(自身を除く): 82285040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 673, 1346, 2437, 2692, 3365, 4874, 5384, 6730, 9748, 12185, 13460, 19496, 24370, 26920, 48740, 97480, 1640101, 3280202, 6560404, 8200505, 13120808, 16401010, 32802020, 65604040]

約数ペア:

[(1, 65604040), (2, 32802020), (4, 16401010), (5, 13120808), (8, 8200505), (10, 6560404), (20, 3280202), (40, 1640101), (673, 97480), (1346, 48740), (2437, 26920), (2692, 24370), (3365, 19496), (4874, 13460), (5384, 12185), (6730, 9748)]