72503780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{51059}}^1$

素因数の和:51139

約数の個数: 24

約数和(自身を含む): 154405440

約数和(自身を除く): 81901660

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 51059, 102118, 204236, 255295, 510590, 1021180, 3625189, 7250378, 14500756, 18125945, 36251890, 72503780]

約数ペア:

[(1, 72503780), (2, 36251890), (4, 18125945), (5, 14500756), (10, 7250378), (20, 3625189), (71, 1021180), (142, 510590), (284, 255295), (355, 204236), (710, 102118), (1420, 51059)]