40228640

素因数分解:

$2^5\times 5^1\times {\mathrm{251429}}^1$

素因数の和:251444

約数の個数: 24

約数和(自身を含む): 95040540

約数和(自身を除く): 54811900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 251429, 502858, 1005716, 1257145, 2011432, 2514290, 4022864, 5028580, 8045728, 10057160, 20114320, 40228640]

約数ペア:

[(1, 40228640), (2, 20114320), (4, 10057160), (5, 8045728), (8, 5028580), (10, 4022864), (16, 2514290), (20, 2011432), (32, 1257145), (40, 1005716), (80, 502858), (160, 251429)]