8216331380

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1312513}}^1$

素因数の和:1312835

約数の個数: 24

約数和(自身を含む): 17309434632

約数和(自身を除く): 9093103252

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 6260, 1312513, 2625026, 5250052, 6562565, 13125130, 26250260, 410816569, 821633138, 1643266276, 2054082845, 4108165690, 8216331380]

約数ペア:

[(1, 8216331380), (2, 4108165690), (4, 2054082845), (5, 1643266276), (10, 821633138), (20, 410816569), (313, 26250260), (626, 13125130), (1252, 6562565), (1565, 5250052), (3130, 2625026), (6260, 1312513)]