13270520

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{3221}}^1$

素因数の和:3335

約数の個数: 32

約数和(自身を含む): 30157920

約数和(自身を除く): 16887400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 3221, 4120, 6442, 12884, 16105, 25768, 32210, 64420, 128840, 331763, 663526, 1327052, 1658815, 2654104, 3317630, 6635260, 13270520]

約数ペア:

[(1, 13270520), (2, 6635260), (4, 3317630), (5, 2654104), (8, 1658815), (10, 1327052), (20, 663526), (40, 331763), (103, 128840), (206, 64420), (412, 32210), (515, 25768), (824, 16105), (1030, 12884), (2060, 6442), (3221, 4120)]