9397720

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2281}}^1$

素因数の和:2395

約数の個数: 32

約数和(自身を含む): 21359520

約数和(自身を除く): 11961800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 2281, 4120, 4562, 9124, 11405, 18248, 22810, 45620, 91240, 234943, 469886, 939772, 1174715, 1879544, 2349430, 4698860, 9397720]

約数ペア:

[(1, 9397720), (2, 4698860), (4, 2349430), (5, 1879544), (8, 1174715), (10, 939772), (20, 469886), (40, 234943), (103, 91240), (206, 45620), (412, 22810), (515, 18248), (824, 11405), (1030, 9124), (2060, 4562), (2281, 4120)]