68463880

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{24107}}^1$

素因数の和:24189

約数の個数: 32

約数和(自身を含む): 156219840

約数和(自身を除く): 87755960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 24107, 48214, 96428, 120535, 192856, 241070, 482140, 964280, 1711597, 3423194, 6846388, 8557985, 13692776, 17115970, 34231940, 68463880]

約数ペア:

[(1, 68463880), (2, 34231940), (4, 17115970), (5, 13692776), (8, 8557985), (10, 6846388), (20, 3423194), (40, 1711597), (71, 964280), (142, 482140), (284, 241070), (355, 192856), (568, 120535), (710, 96428), (1420, 48214), (2840, 24107)]