25222520

素因数分解:

$2^3\times 5^1\times {\mathrm{719}}^1\times {\mathrm{877}}^1$

素因数の和:1607

約数の個数: 32

約数和(自身を含む): 56894400

約数和(自身を除く): 31671880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 719, 877, 1438, 1754, 2876, 3508, 3595, 4385, 5752, 7016, 7190, 8770, 14380, 17540, 28760, 35080, 630563, 1261126, 2522252, 3152815, 5044504, 6305630, 12611260, 25222520]

約数ペア:

[(1, 25222520), (2, 12611260), (4, 6305630), (5, 5044504), (8, 3152815), (10, 2522252), (20, 1261126), (40, 630563), (719, 35080), (877, 28760), (1438, 17540), (1754, 14380), (2876, 8770), (3508, 7190), (3595, 7016), (4385, 5752)]