31872580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{827}}^1$

素因数の和:924

約数の個数: 48

約数和(自身を含む): 70108416

約数和(自身を除く): 38235836

約数列:

[1, 2, 4, 5, 10, 20, 41, 47, 82, 94, 164, 188, 205, 235, 410, 470, 820, 827, 940, 1654, 1927, 3308, 3854, 4135, 7708, 8270, 9635, 16540, 19270, 33907, 38540, 38869, 67814, 77738, 135628, 155476, 169535, 194345, 339070, 388690, 678140, 777380, 1593629, 3187258, 6374516, 7968145, 15936290, 31872580]

約数ペア:

[(1, 31872580), (2, 15936290), (4, 7968145), (5, 6374516), (10, 3187258), (20, 1593629), (41, 777380), (47, 678140), (82, 388690), (94, 339070), (164, 194345), (188, 169535), (205, 155476), (235, 135628), (410, 77738), (470, 67814), (820, 38869), (827, 38540), (940, 33907), (1654, 19270), (1927, 16540), (3308, 9635), (3854, 8270), (4135, 7708)]