1339640

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{313}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 3052080

約数和(自身を除く): 1712440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 313, 428, 535, 626, 856, 1070, 1252, 1565, 2140, 2504, 3130, 4280, 6260, 12520, 33491, 66982, 133964, 167455, 267928, 334910, 669820, 1339640]

約数ペア:

[(1, 1339640), (2, 669820), (4, 334910), (5, 267928), (8, 167455), (10, 133964), (20, 66982), (40, 33491), (107, 12520), (214, 6260), (313, 4280), (428, 3130), (535, 2504), (626, 2140), (856, 1565), (1070, 1252)]