2006641640

素因数分解:

$2^3\times 5^1\times {\mathrm{1213}}^1\times {\mathrm{41357}}^1$

素因数の和:42581

約数の個数: 32

約数和(自身を含む): 4518775080

約数和(自身を除く): 2512133440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1213, 2426, 4852, 6065, 9704, 12130, 24260, 41357, 48520, 82714, 165428, 206785, 330856, 413570, 827140, 1654280, 50166041, 100332082, 200664164, 250830205, 401328328, 501660410, 1003320820, 2006641640]

約数ペア:

[(1, 2006641640), (2, 1003320820), (4, 501660410), (5, 401328328), (8, 250830205), (10, 200664164), (20, 100332082), (40, 50166041), (1213, 1654280), (2426, 827140), (4852, 413570), (6065, 330856), (9704, 206785), (12130, 165428), (24260, 82714), (41357, 48520)]