14640440

素因数分解:

$2^3\times 5^1\times {\mathrm{571}}^1\times {\mathrm{641}}^1$

素因数の和:1223

約数の個数: 32

約数和(自身を含む): 33050160

約数和(自身を除く): 18409720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 571, 641, 1142, 1282, 2284, 2564, 2855, 3205, 4568, 5128, 5710, 6410, 11420, 12820, 22840, 25640, 366011, 732022, 1464044, 1830055, 2928088, 3660110, 7320220, 14640440]

約数ペア:

[(1, 14640440), (2, 7320220), (4, 3660110), (5, 2928088), (8, 1830055), (10, 1464044), (20, 732022), (40, 366011), (571, 25640), (641, 22840), (1142, 12820), (1282, 11420), (2284, 6410), (2564, 5710), (2855, 5128), (3205, 4568)]