408090260

素因数分解:

$2^2\times 5^1\times {\mathrm{3163}}^1\times {\mathrm{6451}}^1$

素因数の和:9623

約数の個数: 24

約数和(自身を含む): 857393376

約数和(自身を除く): 449303116

約数列:

[1, 2, 4, 5, 10, 20, 3163, 6326, 6451, 12652, 12902, 15815, 25804, 31630, 32255, 63260, 64510, 129020, 20404513, 40809026, 81618052, 102022565, 204045130, 408090260]

約数ペア:

[(1, 408090260), (2, 204045130), (4, 102022565), (5, 81618052), (10, 40809026), (20, 20404513), (3163, 129020), (6326, 64510), (6451, 63260), (12652, 32255), (12902, 31630), (15815, 25804)]