68928040

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{46573}}^1$

素因数の和:46621

約数の個数: 32

約数和(自身を含む): 159283080

約数和(自身を除く): 90355040

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 46573, 93146, 186292, 232865, 372584, 465730, 931460, 1723201, 1862920, 3446402, 6892804, 8616005, 13785608, 17232010, 34464020, 68928040]

約数ペア:

[(1, 68928040), (2, 34464020), (4, 17232010), (5, 13785608), (8, 8616005), (10, 6892804), (20, 3446402), (37, 1862920), (40, 1723201), (74, 931460), (148, 465730), (185, 372584), (296, 232865), (370, 186292), (740, 93146), (1480, 46573)]