40210220

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{7823}}^1$

素因数の和:8089

約数の個数: 24

約数和(自身を含む): 84780864

約数和(自身を除く): 44570644

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 7823, 15646, 31292, 39115, 78230, 156460, 2010511, 4021022, 8042044, 10052555, 20105110, 40210220]

約数ペア:

[(1, 40210220), (2, 20105110), (4, 10052555), (5, 8042044), (10, 4021022), (20, 2010511), (257, 156460), (514, 78230), (1028, 39115), (1285, 31292), (2570, 15646), (5140, 7823)]