15691640780

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{7768139}}^1$

素因数の和:7768249

約数の個数: 24

約数和(自身を含む): 33278711760

約数和(自身を除く): 17587070980

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 7768139, 15536278, 31072556, 38840695, 77681390, 155362780, 784582039, 1569164078, 3138328156, 3922910195, 7845820390, 15691640780]

約数ペア:

[(1, 15691640780), (2, 7845820390), (4, 3922910195), (5, 3138328156), (10, 1569164078), (20, 784582039), (101, 155362780), (202, 77681390), (404, 38840695), (505, 31072556), (1010, 15536278), (2020, 7768139)]