68386280

素因数分解:

$2^3\times 5^1\times {\mathrm{613}}^1\times {\mathrm{2789}}^1$

素因数の和:3413

約数の個数: 32

約数和(自身を含む): 154175400

約数和(自身を除く): 85789120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 613, 1226, 2452, 2789, 3065, 4904, 5578, 6130, 11156, 12260, 13945, 22312, 24520, 27890, 55780, 111560, 1709657, 3419314, 6838628, 8548285, 13677256, 17096570, 34193140, 68386280]

約数ペア:

[(1, 68386280), (2, 34193140), (4, 17096570), (5, 13677256), (8, 8548285), (10, 6838628), (20, 3419314), (40, 1709657), (613, 111560), (1226, 55780), (2452, 27890), (2789, 24520), (3065, 22312), (4904, 13945), (5578, 12260), (6130, 11156)]