40478890

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{98729}}^1$

素因数の和:98777

約数の個数: 16

約数和(自身を含む): 74639880

約数和(自身を除く): 34160990

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 98729, 197458, 493645, 987290, 4047889, 8095778, 20239445, 40478890]

約数ペア:

[(1, 40478890), (2, 20239445), (5, 8095778), (10, 4047889), (41, 987290), (82, 493645), (205, 197458), (410, 98729)]