13898140

素因数分解:

$2^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{1217}}^1$

素因数の和:1797

約数の個数: 24

約数和(自身を含む): 29261232

約数和(自身を除く): 15363092

約数列:

[1, 2, 4, 5, 10, 20, 571, 1142, 1217, 2284, 2434, 2855, 4868, 5710, 6085, 11420, 12170, 24340, 694907, 1389814, 2779628, 3474535, 6949070, 13898140]

約数ペア:

[(1, 13898140), (2, 6949070), (4, 3474535), (5, 2779628), (10, 1389814), (20, 694907), (571, 24340), (1142, 12170), (1217, 11420), (2284, 6085), (2434, 5710), (2855, 4868)]