28001770

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{419}}^1$

素因数の和:630

約数の個数: 32

約数和(自身を含む): 52073280

約数和(自身を除く): 24071510

約数列:

[1, 2, 5, 10, 41, 82, 163, 205, 326, 410, 419, 815, 838, 1630, 2095, 4190, 6683, 13366, 17179, 33415, 34358, 66830, 68297, 85895, 136594, 171790, 341485, 682970, 2800177, 5600354, 14000885, 28001770]

約数ペア:

[(1, 28001770), (2, 14000885), (5, 5600354), (10, 2800177), (41, 682970), (82, 341485), (163, 171790), (205, 136594), (326, 85895), (410, 68297), (419, 66830), (815, 34358), (838, 33415), (1630, 17179), (2095, 13366), (4190, 6683)]