28910740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{35257}}^1$

素因数の和:35307

約数の個数: 24

約数和(自身を含む): 62195112

約数和(自身を除く): 33284372

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 35257, 70514, 141028, 176285, 352570, 705140, 1445537, 2891074, 5782148, 7227685, 14455370, 28910740]

約数ペア:

[(1, 28910740), (2, 14455370), (4, 7227685), (5, 5782148), (10, 2891074), (20, 1445537), (41, 705140), (82, 352570), (164, 176285), (205, 141028), (410, 70514), (820, 35257)]