25390736

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:220

約数の個数: 80

約数和(自身を含む): 59424768

約数和(自身を除く): 34034032

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 71, 103, 112, 124, 142, 206, 217, 248, 284, 412, 434, 496, 497, 568, 721, 824, 868, 994, 1136, 1442, 1648, 1736, 1988, 2201, 2884, 3193, 3472, 3976, 4402, 5768, 6386, 7313, 7952, 8804, 11536, 12772, 14626, 15407, 17608, 22351, 25544, 29252, 30814, 35216, 44702, 51088, 51191, 58504, 61628, 89404, 102382, 117008, 123256, 178808, 204764, 226703, 246512, 357616, 409528, 453406, 819056, 906812, 1586921, 1813624, 3173842, 3627248, 6347684, 12695368, 25390736]

約数ペア:

[(1, 25390736), (2, 12695368), (4, 6347684), (7, 3627248), (8, 3173842), (14, 1813624), (16, 1586921), (28, 906812), (31, 819056), (56, 453406), (62, 409528), (71, 357616), (103, 246512), (112, 226703), (124, 204764), (142, 178808), (206, 123256), (217, 117008), (248, 102382), (284, 89404), (412, 61628), (434, 58504), (496, 51191), (497, 51088), (568, 44702), (721, 35216), (824, 30814), (868, 29252), (994, 25544), (1136, 22351), (1442, 17608), (1648, 15407), (1736, 14626), (1988, 12772), (2201, 11536), (2884, 8804), (3193, 7952), (3472, 7313), (3976, 6386), (4402, 5768)]