260620

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:249

約数の個数: 24

約数和(自身を含む): 557424

約数和(自身を除く): 296804

約数列:

[1, 2, 4, 5, 10, 20, 83, 157, 166, 314, 332, 415, 628, 785, 830, 1570, 1660, 3140, 13031, 26062, 52124, 65155, 130310, 260620]

約数ペア:

[(1, 260620), (2, 130310), (4, 65155), (5, 52124), (10, 26062), (20, 13031), (83, 3140), (157, 1660), (166, 1570), (314, 830), (332, 785), (415, 628)]