7949020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12821}}^1$

素因数の和:12861

約数の個数: 24

約数和(自身を含む): 17232768

約数和(自身を除く): 9283748

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 12821, 25642, 51284, 64105, 128210, 256420, 397451, 794902, 1589804, 1987255, 3974510, 7949020]

約数ペア:

[(1, 7949020), (2, 3974510), (4, 1987255), (5, 1589804), (10, 794902), (20, 397451), (31, 256420), (62, 128210), (124, 64105), (155, 51284), (310, 25642), (620, 12821)]