82189420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{887}}^1$

素因数の和:1050

約数の個数: 48

約数和(自身を含む): 178573248

約数和(自身を除く): 96383828

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 113, 164, 205, 226, 410, 452, 565, 820, 887, 1130, 1774, 2260, 3548, 4435, 4633, 8870, 9266, 17740, 18532, 23165, 36367, 46330, 72734, 92660, 100231, 145468, 181835, 200462, 363670, 400924, 501155, 727340, 1002310, 2004620, 4109471, 8218942, 16437884, 20547355, 41094710, 82189420]

約数ペア:

[(1, 82189420), (2, 41094710), (4, 20547355), (5, 16437884), (10, 8218942), (20, 4109471), (41, 2004620), (82, 1002310), (113, 727340), (164, 501155), (205, 400924), (226, 363670), (410, 200462), (452, 181835), (565, 145468), (820, 100231), (887, 92660), (1130, 72734), (1774, 46330), (2260, 36367), (3548, 23165), (4435, 18532), (4633, 17740), (8870, 9266)]