65889980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{253423}}^1$

素因数の和:253445

約数の個数: 24

約数和(自身を含む): 149013312

約数和(自身を除く): 83123332

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 253423, 506846, 1013692, 1267115, 2534230, 3294499, 5068460, 6588998, 13177996, 16472495, 32944990, 65889980]

約数ペア:

[(1, 65889980), (2, 32944990), (4, 16472495), (5, 13177996), (10, 6588998), (13, 5068460), (20, 3294499), (26, 2534230), (52, 1267115), (65, 1013692), (130, 506846), (260, 253423)]