81295870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{25169}}^1$

素因数の和:25212

約数の個数: 32

約数和(自身を含む): 163101600

約数和(自身を除く): 81805730

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 1615, 3230, 25169, 50338, 125845, 251690, 427873, 478211, 855746, 956422, 2139365, 2391055, 4278730, 4782110, 8129587, 16259174, 40647935, 81295870]

約数ペア:

[(1, 81295870), (2, 40647935), (5, 16259174), (10, 8129587), (17, 4782110), (19, 4278730), (34, 2391055), (38, 2139365), (85, 956422), (95, 855746), (170, 478211), (190, 427873), (323, 251690), (646, 125845), (1615, 50338), (3230, 25169)]