73681280

素因数分解:

$2^7\times 5^1\times {\mathrm{115127}}^1$

素因数の和:115146

約数の個数: 32

約数和(自身を含む): 176145840

約数和(自身を除く): 102464560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 115127, 230254, 460508, 575635, 921016, 1151270, 1842032, 2302540, 3684064, 4605080, 7368128, 9210160, 14736256, 18420320, 36840640, 73681280]

約数ペア:

[(1, 73681280), (2, 36840640), (4, 18420320), (5, 14736256), (8, 9210160), (10, 7368128), (16, 4605080), (20, 3684064), (32, 2302540), (40, 1842032), (64, 1151270), (80, 921016), (128, 575635), (160, 460508), (320, 230254), (640, 115127)]