25484780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{31079}}^1$

素因数の和:31129

約数の個数: 24

約数和(自身を含む): 54825120

約数和(自身を除く): 29340340

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 31079, 62158, 124316, 155395, 310790, 621580, 1274239, 2548478, 5096956, 6371195, 12742390, 25484780]

約数ペア:

[(1, 25484780), (2, 12742390), (4, 6371195), (5, 5096956), (10, 2548478), (20, 1274239), (41, 621580), (82, 310790), (164, 155395), (205, 124316), (410, 62158), (820, 31079)]