28705060

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{19661}}^1$

素因数の和:19743

約数の個数: 24

約数和(自身を含む): 61109496

約数和(自身を除く): 32404436

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 19661, 39322, 78644, 98305, 196610, 393220, 1435253, 2870506, 5741012, 7176265, 14352530, 28705060]

約数ペア:

[(1, 28705060), (2, 14352530), (4, 7176265), (5, 5741012), (10, 2870506), (20, 1435253), (73, 393220), (146, 196610), (292, 98305), (365, 78644), (730, 39322), (1460, 19661)]