2912895760

素因数分解:

$2^4\times 5^1\times {\mathrm{1721}}^1\times {\mathrm{21157}}^1$

素因数の和:22891

約数の個数: 40

約数和(自身を含む): 6776738136

約数和(自身を除く): 3863842376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1721, 3442, 6884, 8605, 13768, 17210, 21157, 27536, 34420, 42314, 68840, 84628, 105785, 137680, 169256, 211570, 338512, 423140, 846280, 1692560, 36411197, 72822394, 145644788, 182055985, 291289576, 364111970, 582579152, 728223940, 1456447880, 2912895760]

約数ペア:

[(1, 2912895760), (2, 1456447880), (4, 728223940), (5, 582579152), (8, 364111970), (10, 291289576), (16, 182055985), (20, 145644788), (40, 72822394), (80, 36411197), (1721, 1692560), (3442, 846280), (6884, 423140), (8605, 338512), (13768, 211570), (17210, 169256), (21157, 137680), (27536, 105785), (34420, 84628), (42314, 68840)]