61892780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{75479}}^1$

素因数の和:75529

約数の個数: 24

約数和(自身を含む): 133146720

約数和(自身を除く): 71253940

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 75479, 150958, 301916, 377395, 754790, 1509580, 3094639, 6189278, 12378556, 15473195, 30946390, 61892780]

約数ペア:

[(1, 61892780), (2, 30946390), (4, 15473195), (5, 12378556), (10, 6189278), (20, 3094639), (41, 1509580), (82, 754790), (164, 377395), (205, 301916), (410, 150958), (820, 75479)]