10002640

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1289}}^1$

素因数の和:1399

約数の個数: 40

約数和(自身を含む): 23514120

約数和(自身を除く): 13511480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1289, 1552, 1940, 2578, 3880, 5156, 6445, 7760, 10312, 12890, 20624, 25780, 51560, 103120, 125033, 250066, 500132, 625165, 1000264, 1250330, 2000528, 2500660, 5001320, 10002640]

約数ペア:

[(1, 10002640), (2, 5001320), (4, 2500660), (5, 2000528), (8, 1250330), (10, 1000264), (16, 625165), (20, 500132), (40, 250066), (80, 125033), (97, 103120), (194, 51560), (388, 25780), (485, 20624), (776, 12890), (970, 10312), (1289, 7760), (1552, 6445), (1940, 5156), (2578, 3880)]