8907020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{10357}}^1$

素因数の和:10409

約数の個数: 24

約数和(自身を含む): 19141584

約数和(自身を除く): 10234564

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 10357, 20714, 41428, 51785, 103570, 207140, 445351, 890702, 1781404, 2226755, 4453510, 8907020]

約数ペア:

[(1, 8907020), (2, 4453510), (4, 2226755), (5, 1781404), (10, 890702), (20, 445351), (43, 207140), (86, 103570), (172, 51785), (215, 41428), (430, 20714), (860, 10357)]