66148640

素因数分解:

$2^5\times 5^1\times {\mathrm{413429}}^1$

素因数の和:413444

約数の個数: 24

約数和(自身を含む): 156276540

約数和(自身を除く): 90127900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 413429, 826858, 1653716, 2067145, 3307432, 4134290, 6614864, 8268580, 13229728, 16537160, 33074320, 66148640]

約数ペア:

[(1, 66148640), (2, 33074320), (4, 16537160), (5, 13229728), (8, 8268580), (10, 6614864), (16, 4134290), (20, 3307432), (32, 2067145), (40, 1653716), (80, 826858), (160, 413429)]