68304520

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{15959}}^1$

素因数の和:16077

約数の個数: 32

約数和(自身を含む): 155131200

約数和(自身を除く): 86826680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 15959, 31918, 63836, 79795, 127672, 159590, 319180, 638360, 1707613, 3415226, 6830452, 8538065, 13660904, 17076130, 34152260, 68304520]

約数ペア:

[(1, 68304520), (2, 34152260), (4, 17076130), (5, 13660904), (8, 8538065), (10, 6830452), (20, 3415226), (40, 1707613), (107, 638360), (214, 319180), (428, 159590), (535, 127672), (856, 79795), (1070, 63836), (2140, 31918), (4280, 15959)]