8221240

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4373}}^1$

素因数の和:4431

約数の個数: 32

約数和(自身を含む): 18895680

約数和(自身を除く): 10674440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 4373, 8746, 17492, 21865, 34984, 43730, 87460, 174920, 205531, 411062, 822124, 1027655, 1644248, 2055310, 4110620, 8221240]

約数ペア:

[(1, 8221240), (2, 4110620), (4, 2055310), (5, 1644248), (8, 1027655), (10, 822124), (20, 411062), (40, 205531), (47, 174920), (94, 87460), (188, 43730), (235, 34984), (376, 21865), (470, 17492), (940, 8746), (1880, 4373)]