25019728

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{691}}^1$

素因数の和:803

約数の個数: 40

約数和(自身を含む): 50798336

約数和(自身を除く): 25778608

約数列:

[1, 2, 4, 8, 16, 31, 62, 73, 124, 146, 248, 292, 496, 584, 691, 1168, 1382, 2263, 2764, 4526, 5528, 9052, 11056, 18104, 21421, 36208, 42842, 50443, 85684, 100886, 171368, 201772, 342736, 403544, 807088, 1563733, 3127466, 6254932, 12509864, 25019728]

約数ペア:

[(1, 25019728), (2, 12509864), (4, 6254932), (8, 3127466), (16, 1563733), (31, 807088), (62, 403544), (73, 342736), (124, 201772), (146, 171368), (248, 100886), (292, 85684), (496, 50443), (584, 42842), (691, 36208), (1168, 21421), (1382, 18104), (2263, 11056), (2764, 9052), (4526, 5528)]