68156920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131071}}^1$

素因数の和:131095

約数の個数: 32

約数和(自身を含む): 165150720

約数和(自身を除く): 96993800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 131071, 262142, 524284, 655355, 1048568, 1310710, 1703923, 2621420, 3407846, 5242840, 6815692, 8519615, 13631384, 17039230, 34078460, 68156920]

約数ペア:

[(1, 68156920), (2, 34078460), (4, 17039230), (5, 13631384), (8, 8519615), (10, 6815692), (13, 5242840), (20, 3407846), (26, 2621420), (40, 1703923), (52, 1310710), (65, 1048568), (104, 655355), (130, 524284), (260, 262142), (520, 131071)]