17617960

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{10243}}^1$

素因数の和:10297

約数の個数: 32

約数和(自身を含む): 40566240

約数和(自身を除く): 22948280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 10243, 20486, 40972, 51215, 81944, 102430, 204860, 409720, 440449, 880898, 1761796, 2202245, 3523592, 4404490, 8808980, 17617960]

約数ペア:

[(1, 17617960), (2, 8808980), (4, 4404490), (5, 3523592), (8, 2202245), (10, 1761796), (20, 880898), (40, 440449), (43, 409720), (86, 204860), (172, 102430), (215, 81944), (344, 51215), (430, 40972), (860, 20486), (1720, 10243)]