25284760

素因数分解:

$2^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{977}}^1$

素因数の和:1635

約数の個数: 32

約数和(自身を含む): 57036960

約数和(自身を除く): 31752200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647, 977, 1294, 1954, 2588, 3235, 3908, 4885, 5176, 6470, 7816, 9770, 12940, 19540, 25880, 39080, 632119, 1264238, 2528476, 3160595, 5056952, 6321190, 12642380, 25284760]

約数ペア:

[(1, 25284760), (2, 12642380), (4, 6321190), (5, 5056952), (8, 3160595), (10, 2528476), (20, 1264238), (40, 632119), (647, 39080), (977, 25880), (1294, 19540), (1954, 12940), (2588, 9770), (3235, 7816), (3908, 6470), (4885, 5176)]