9970248920

素因数分解:

$2^3\times 5^1\times {\mathrm{2161}}^1\times {\mathrm{115343}}^1$

素因数の和:117515

約数の個数: 32

約数和(自身を含む): 22443635520

約数和(自身を除く): 12473386600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2161, 4322, 8644, 10805, 17288, 21610, 43220, 86440, 115343, 230686, 461372, 576715, 922744, 1153430, 2306860, 4613720, 249256223, 498512446, 997024892, 1246281115, 1994049784, 2492562230, 4985124460, 9970248920]

約数ペア:

[(1, 9970248920), (2, 4985124460), (4, 2492562230), (5, 1994049784), (8, 1246281115), (10, 997024892), (20, 498512446), (40, 249256223), (2161, 4613720), (4322, 2306860), (8644, 1153430), (10805, 922744), (17288, 576715), (21610, 461372), (43220, 230686), (86440, 115343)]