8940320

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{787}}^1$

素因数の和:873

約数の個数: 48

約数和(自身を含む): 21446208

約数和(自身を除く): 12505888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 787, 1136, 1420, 1574, 2272, 2840, 3148, 3935, 5680, 6296, 7870, 11360, 12592, 15740, 25184, 31480, 55877, 62960, 111754, 125920, 223508, 279385, 447016, 558770, 894032, 1117540, 1788064, 2235080, 4470160, 8940320]

約数ペア:

[(1, 8940320), (2, 4470160), (4, 2235080), (5, 1788064), (8, 1117540), (10, 894032), (16, 558770), (20, 447016), (32, 279385), (40, 223508), (71, 125920), (80, 111754), (142, 62960), (160, 55877), (284, 31480), (355, 25184), (568, 15740), (710, 12592), (787, 11360), (1136, 7870), (1420, 6296), (1574, 5680), (2272, 3935), (2840, 3148)]