16421540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1231}}^1$

素因数の和:1292

約数の個数: 48

約数和(自身を含む): 37255680

約数和(自身を除く): 20834140

約数列:

[1, 2, 4, 5, 10, 20, 23, 29, 46, 58, 92, 115, 116, 145, 230, 290, 460, 580, 667, 1231, 1334, 2462, 2668, 3335, 4924, 6155, 6670, 12310, 13340, 24620, 28313, 35699, 56626, 71398, 113252, 141565, 142796, 178495, 283130, 356990, 566260, 713980, 821077, 1642154, 3284308, 4105385, 8210770, 16421540]

約数ペア:

[(1, 16421540), (2, 8210770), (4, 4105385), (5, 3284308), (10, 1642154), (20, 821077), (23, 713980), (29, 566260), (46, 356990), (58, 283130), (92, 178495), (115, 142796), (116, 141565), (145, 113252), (230, 71398), (290, 56626), (460, 35699), (580, 28313), (667, 24620), (1231, 13340), (1334, 12310), (2462, 6670), (2668, 6155), (3335, 4924)]