142028720

素因数分解:

$2^4\times 5^1\times {\mathrm{1775359}}^1$

素因数の和:1775372

約数の個数: 20

約数和(自身を含む): 330216960

約数和(自身を除く): 188188240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1775359, 3550718, 7101436, 8876795, 14202872, 17753590, 28405744, 35507180, 71014360, 142028720]

約数ペア:

[(1, 142028720), (2, 71014360), (4, 35507180), (5, 28405744), (8, 17753590), (10, 14202872), (16, 8876795), (20, 7101436), (40, 3550718), (80, 1775359)]