31150720

素因数分解:

$2^7\times 5^1\times {\mathrm{48673}}^1$

素因数の和:48692

約数の個数: 32

約数和(自身を含む): 74471220

約数和(自身を除く): 43320500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 48673, 97346, 194692, 243365, 389384, 486730, 778768, 973460, 1557536, 1946920, 3115072, 3893840, 6230144, 7787680, 15575360, 31150720]

約数ペア:

[(1, 31150720), (2, 15575360), (4, 7787680), (5, 6230144), (8, 3893840), (10, 3115072), (16, 1946920), (20, 1557536), (32, 973460), (40, 778768), (64, 486730), (80, 389384), (128, 243365), (160, 194692), (320, 97346), (640, 48673)]