7970920

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1973}}^1$

素因数の和:2085

約数の個数: 32

約数和(自身を含む): 18121320

約数和(自身を除く): 10150400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 1973, 2020, 3946, 4040, 7892, 9865, 15784, 19730, 39460, 78920, 199273, 398546, 797092, 996365, 1594184, 1992730, 3985460, 7970920]

約数ペア:

[(1, 7970920), (2, 3985460), (4, 1992730), (5, 1594184), (8, 996365), (10, 797092), (20, 398546), (40, 199273), (101, 78920), (202, 39460), (404, 19730), (505, 15784), (808, 9865), (1010, 7892), (1973, 4040), (2020, 3946)]