66839960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151909}}^1$

素因数の和:151931

約数の個数: 32

約数和(自身を含む): 164062800

約数和(自身を除く): 97222840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 151909, 303818, 607636, 759545, 1215272, 1519090, 1670999, 3038180, 3341998, 6076360, 6683996, 8354995, 13367992, 16709990, 33419980, 66839960]

約数ペア:

[(1, 66839960), (2, 33419980), (4, 16709990), (5, 13367992), (8, 8354995), (10, 6683996), (11, 6076360), (20, 3341998), (22, 3038180), (40, 1670999), (44, 1519090), (55, 1215272), (88, 759545), (110, 607636), (220, 303818), (440, 151909)]