39808840

素因数分解:

$2^3\times 5^1\times {\mathrm{617}}^1\times {\mathrm{1613}}^1$

素因数の和:2241

約数の個数: 32

約数和(自身を含む): 89770680

約数和(自身を除く): 49961840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 617, 1234, 1613, 2468, 3085, 3226, 4936, 6170, 6452, 8065, 12340, 12904, 16130, 24680, 32260, 64520, 995221, 1990442, 3980884, 4976105, 7961768, 9952210, 19904420, 39808840]

約数ペア:

[(1, 39808840), (2, 19904420), (4, 9952210), (5, 7961768), (8, 4976105), (10, 3980884), (20, 1990442), (40, 995221), (617, 64520), (1234, 32260), (1613, 24680), (2468, 16130), (3085, 12904), (3226, 12340), (4936, 8065), (6170, 6452)]