72502720

素因数分解:

$2^6\times 5^1\times {\mathrm{226571}}^1$

素因数の和:226588

約数の個数: 28

約数和(自身を含む): 172647864

約数和(自身を除く): 100145144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 226571, 453142, 906284, 1132855, 1812568, 2265710, 3625136, 4531420, 7250272, 9062840, 14500544, 18125680, 36251360, 72502720]

約数ペア:

[(1, 72502720), (2, 36251360), (4, 18125680), (5, 14500544), (8, 9062840), (10, 7250272), (16, 4531420), (20, 3625136), (32, 2265710), (40, 1812568), (64, 1132855), (80, 906284), (160, 453142), (320, 226571)]