2018132420

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1277299}}^1$

素因数の和:1277387

約数の個数: 24

約数和(自身を含む): 4291728000

約数和(自身を除く): 2273595580

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 1277299, 2554598, 5109196, 6386495, 12772990, 25545980, 100906621, 201813242, 403626484, 504533105, 1009066210, 2018132420]

約数ペア:

[(1, 2018132420), (2, 1009066210), (4, 504533105), (5, 403626484), (10, 201813242), (20, 100906621), (79, 25545980), (158, 12772990), (316, 6386495), (395, 5109196), (790, 2554598), (1580, 1277299)]