140078480

素因数分解:

$2^4\times 5^1\times {\mathrm{1750981}}^1$

素因数の和:1750994

約数の個数: 20

約数和(自身を含む): 325682652

約数和(自身を除く): 185604172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1750981, 3501962, 7003924, 8754905, 14007848, 17509810, 28015696, 35019620, 70039240, 140078480]

約数ペア:

[(1, 140078480), (2, 70039240), (4, 35019620), (5, 28015696), (8, 17509810), (10, 14007848), (16, 8754905), (20, 7003924), (40, 3501962), (80, 1750981)]