9715640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:404

約数の個数: 64

約数和(自身を含む): 24261120

約数和(自身を除く): 14545480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 311, 355, 440, 568, 622, 710, 781, 1244, 1420, 1555, 1562, 2488, 2840, 3110, 3124, 3421, 3905, 6220, 6248, 6842, 7810, 12440, 13684, 15620, 17105, 22081, 27368, 31240, 34210, 44162, 68420, 88324, 110405, 136840, 176648, 220810, 242891, 441620, 485782, 883240, 971564, 1214455, 1943128, 2428910, 4857820, 9715640]

約数ペア:

[(1, 9715640), (2, 4857820), (4, 2428910), (5, 1943128), (8, 1214455), (10, 971564), (11, 883240), (20, 485782), (22, 441620), (40, 242891), (44, 220810), (55, 176648), (71, 136840), (88, 110405), (110, 88324), (142, 68420), (220, 44162), (284, 34210), (311, 31240), (355, 27368), (440, 22081), (568, 17105), (622, 15620), (710, 13684), (781, 12440), (1244, 7810), (1420, 6842), (1555, 6248), (1562, 6220), (2488, 3905), (2840, 3421), (3110, 3124)]