40072580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{48869}}^1$

素因数の和:48919

約数の個数: 24

約数和(自身を含む): 86206680

約数和(自身を除く): 46134100

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 48869, 97738, 195476, 244345, 488690, 977380, 2003629, 4007258, 8014516, 10018145, 20036290, 40072580]

約数ペア:

[(1, 40072580), (2, 20036290), (4, 10018145), (5, 8014516), (10, 4007258), (20, 2003629), (41, 977380), (82, 488690), (164, 244345), (205, 195476), (410, 97738), (820, 48869)]