25164717980

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{439}}^1\times {\mathrm{9157}}^1$

素因数の和:9918

約数の個数: 48

約数和(自身を含む): 53141309760

約数和(自身を除く): 27976591780

約数列:

[1, 2, 4, 5, 10, 20, 313, 439, 626, 878, 1252, 1565, 1756, 2195, 3130, 4390, 6260, 8780, 9157, 18314, 36628, 45785, 91570, 137407, 183140, 274814, 549628, 687035, 1374070, 2748140, 2866141, 4019923, 5732282, 8039846, 11464564, 14330705, 16079692, 20099615, 28661410, 40199230, 57322820, 80398460, 1258235899, 2516471798, 5032943596, 6291179495, 12582358990, 25164717980]

約数ペア:

[(1, 25164717980), (2, 12582358990), (4, 6291179495), (5, 5032943596), (10, 2516471798), (20, 1258235899), (313, 80398460), (439, 57322820), (626, 40199230), (878, 28661410), (1252, 20099615), (1565, 16079692), (1756, 14330705), (2195, 11464564), (3130, 8039846), (4390, 5732282), (6260, 4019923), (8780, 2866141), (9157, 2748140), (18314, 1374070), (36628, 687035), (45785, 549628), (91570, 274814), (137407, 183140)]