20191112080

素因数分解:

$2^4\times 5^1\times {\mathrm{1553}}^1\times {\mathrm{162517}}^1$

素因数の和:164083

約数の個数: 40

約数和(自身を含む): 46974852792

約数和(自身を除く): 26783740712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1553, 3106, 6212, 7765, 12424, 15530, 24848, 31060, 62120, 124240, 162517, 325034, 650068, 812585, 1300136, 1625170, 2600272, 3250340, 6500680, 13001360, 252388901, 504777802, 1009555604, 1261944505, 2019111208, 2523889010, 4038222416, 5047778020, 10095556040, 20191112080]

約数ペア:

[(1, 20191112080), (2, 10095556040), (4, 5047778020), (5, 4038222416), (8, 2523889010), (10, 2019111208), (16, 1261944505), (20, 1009555604), (40, 504777802), (80, 252388901), (1553, 13001360), (3106, 6500680), (6212, 3250340), (7765, 2600272), (12424, 1625170), (15530, 1300136), (24848, 812585), (31060, 650068), (62120, 325034), (124240, 162517)]