40015220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{285823}}^1$

素因数の和:285839

約数の個数: 24

約数和(自身を含む): 96036864

約数和(自身を除く): 56021644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 285823, 571646, 1143292, 1429115, 2000761, 2858230, 4001522, 5716460, 8003044, 10003805, 20007610, 40015220]

約数ペア:

[(1, 40015220), (2, 20007610), (4, 10003805), (5, 8003044), (7, 5716460), (10, 4001522), (14, 2858230), (20, 2000761), (28, 1429115), (35, 1143292), (70, 571646), (140, 285823)]