28916260

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{9209}}^1$

素因数の和:9375

約数の個数: 24

約数和(自身を含む): 61117560

約数和(自身を除く): 32201300

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 9209, 18418, 36836, 46045, 92090, 184180, 1445813, 2891626, 5783252, 7229065, 14458130, 28916260]

約数ペア:

[(1, 28916260), (2, 14458130), (4, 7229065), (5, 5783252), (10, 2891626), (20, 1445813), (157, 184180), (314, 92090), (628, 46045), (785, 36836), (1570, 18418), (3140, 9209)]