4121680

素因数分解:

$2^4\times 5^1\times {\mathrm{51521}}^1$

素因数の和:51534

約数の個数: 20

約数和(自身を含む): 9583092

約数和(自身を除く): 5461412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 51521, 103042, 206084, 257605, 412168, 515210, 824336, 1030420, 2060840, 4121680]

約数ペア:

[(1, 4121680), (2, 2060840), (4, 1030420), (5, 824336), (8, 515210), (10, 412168), (16, 257605), (20, 206084), (40, 103042), (80, 51521)]