2008190816

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{859}}^1\times {\mathrm{1699}}^1$

素因数の和:2611

約数の個数: 48

約数和(自身を含む): 4052664000

約数和(自身を除く): 2044473184

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 859, 1376, 1699, 1718, 3398, 3436, 6796, 6872, 13592, 13744, 27184, 27488, 36937, 54368, 73057, 73874, 146114, 147748, 292228, 295496, 584456, 590992, 1168912, 1181984, 1459441, 2337824, 2918882, 5837764, 11675528, 23351056, 46702112, 62755963, 125511926, 251023852, 502047704, 1004095408, 2008190816]

約数ペア:

[(1, 2008190816), (2, 1004095408), (4, 502047704), (8, 251023852), (16, 125511926), (32, 62755963), (43, 46702112), (86, 23351056), (172, 11675528), (344, 5837764), (688, 2918882), (859, 2337824), (1376, 1459441), (1699, 1181984), (1718, 1168912), (3398, 590992), (3436, 584456), (6796, 295496), (6872, 292228), (13592, 147748), (13744, 146114), (27184, 73874), (27488, 73057), (36937, 54368)]