125984920

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{7517}}^1$

素因数の和:7947

約数の個数: 32

約数和(自身を含む): 284180400

約数和(自身を除く): 158195480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1676, 2095, 3352, 4190, 7517, 8380, 15034, 16760, 30068, 37585, 60136, 75170, 150340, 300680, 3149623, 6299246, 12598492, 15748115, 25196984, 31496230, 62992460, 125984920]

約数ペア:

[(1, 125984920), (2, 62992460), (4, 31496230), (5, 25196984), (8, 15748115), (10, 12598492), (20, 6299246), (40, 3149623), (419, 300680), (838, 150340), (1676, 75170), (2095, 60136), (3352, 37585), (4190, 30068), (7517, 16760), (8380, 15034)]