28294460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83219}}^1$

素因数の和:83245

約数の個数: 24

約数和(自身を含む): 62914320

約数和(自身を除く): 34619860

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 83219, 166438, 332876, 416095, 832190, 1414723, 1664380, 2829446, 5658892, 7073615, 14147230, 28294460]

約数ペア:

[(1, 28294460), (2, 14147230), (4, 7073615), (5, 5658892), (10, 2829446), (17, 1664380), (20, 1414723), (34, 832190), (68, 416095), (85, 332876), (170, 166438), (340, 83219)]