40542460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{289589}}^1$

素因数の和:289605

約数の個数: 24

約数和(自身を含む): 97302240

約数和(自身を除く): 56759780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 289589, 579178, 1158356, 1447945, 2027123, 2895890, 4054246, 5791780, 8108492, 10135615, 20271230, 40542460]

約数ペア:

[(1, 40542460), (2, 20271230), (4, 10135615), (5, 8108492), (7, 5791780), (10, 4054246), (14, 2895890), (20, 2027123), (28, 1447945), (35, 1158356), (70, 579178), (140, 289589)]