68766920

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{16691}}^1$

素因数の和:16805

約数の個数: 32

約数和(自身を含む): 156237120

約数和(自身を除く): 87470200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 16691, 33382, 66764, 83455, 133528, 166910, 333820, 667640, 1719173, 3438346, 6876692, 8595865, 13753384, 17191730, 34383460, 68766920]

約数ペア:

[(1, 68766920), (2, 34383460), (4, 17191730), (5, 13753384), (8, 8595865), (10, 6876692), (20, 3438346), (40, 1719173), (103, 667640), (206, 333820), (412, 166910), (515, 133528), (824, 83455), (1030, 66764), (2060, 33382), (4120, 16691)]