68802640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{27743}}^1$

素因数の和:27787

約数の個数: 40

約数和(自身を含む): 165132288

約数和(自身を除く): 96329648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 27743, 55486, 110972, 138715, 221944, 277430, 443888, 554860, 860033, 1109720, 1720066, 2219440, 3440132, 4300165, 6880264, 8600330, 13760528, 17200660, 34401320, 68802640]

約数ペア:

[(1, 68802640), (2, 34401320), (4, 17200660), (5, 13760528), (8, 8600330), (10, 6880264), (16, 4300165), (20, 3440132), (31, 2219440), (40, 1720066), (62, 1109720), (80, 860033), (124, 554860), (155, 443888), (248, 277430), (310, 221944), (496, 138715), (620, 110972), (1240, 55486), (2480, 27743)]