72148640

素因数分解:

$2^5\times 5^1\times {\mathrm{450929}}^1$

素因数の和:450944

約数の個数: 24

約数和(自身を含む): 170451540

約数和(自身を除く): 98302900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 450929, 901858, 1803716, 2254645, 3607432, 4509290, 7214864, 9018580, 14429728, 18037160, 36074320, 72148640]

約数ペア:

[(1, 72148640), (2, 36074320), (4, 18037160), (5, 14429728), (8, 9018580), (10, 7214864), (16, 4509290), (20, 3607432), (32, 2254645), (40, 1803716), (80, 901858), (160, 450929)]