15738680

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1531}}^1$

素因数の和:1799

約数の個数: 32

約数和(自身を含む): 35573040

約数和(自身を除く): 19834360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 1531, 2056, 2570, 3062, 5140, 6124, 7655, 10280, 12248, 15310, 30620, 61240, 393467, 786934, 1573868, 1967335, 3147736, 3934670, 7869340, 15738680]

約数ペア:

[(1, 15738680), (2, 7869340), (4, 3934670), (5, 3147736), (8, 1967335), (10, 1573868), (20, 786934), (40, 393467), (257, 61240), (514, 30620), (1028, 15310), (1285, 12248), (1531, 10280), (2056, 7655), (2570, 6124), (3062, 5140)]