66837640

素因数分解:

$2^3\times 5^1\times {\mathrm{1217}}^1\times {\mathrm{1373}}^1$

素因数の和:2601

約数の個数: 32

約数和(自身を含む): 150617880

約数和(自身を除く): 83780240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1217, 1373, 2434, 2746, 4868, 5492, 6085, 6865, 9736, 10984, 12170, 13730, 24340, 27460, 48680, 54920, 1670941, 3341882, 6683764, 8354705, 13367528, 16709410, 33418820, 66837640]

約数ペア:

[(1, 66837640), (2, 33418820), (4, 16709410), (5, 13367528), (8, 8354705), (10, 6683764), (20, 3341882), (40, 1670941), (1217, 54920), (1373, 48680), (2434, 27460), (2746, 24340), (4868, 13730), (5492, 12170), (6085, 10984), (6865, 9736)]