25812280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49639}}^1$

素因数の和:49663

約数の個数: 32

約数和(自身を含む): 62546400

約数和(自身を除く): 36734120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 49639, 99278, 198556, 248195, 397112, 496390, 645307, 992780, 1290614, 1985560, 2581228, 3226535, 5162456, 6453070, 12906140, 25812280]

約数ペア:

[(1, 25812280), (2, 12906140), (4, 6453070), (5, 5162456), (8, 3226535), (10, 2581228), (13, 1985560), (20, 1290614), (26, 992780), (40, 645307), (52, 496390), (65, 397112), (104, 248195), (130, 198556), (260, 99278), (520, 49639)]