28446620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{307}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 61937568

約数和(自身を除く): 33490948

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 113, 164, 205, 226, 307, 410, 452, 565, 614, 820, 1130, 1228, 1535, 2260, 3070, 4633, 6140, 9266, 12587, 18532, 23165, 25174, 34691, 46330, 50348, 62935, 69382, 92660, 125870, 138764, 173455, 251740, 346910, 693820, 1422331, 2844662, 5689324, 7111655, 14223310, 28446620]

約数ペア:

[(1, 28446620), (2, 14223310), (4, 7111655), (5, 5689324), (10, 2844662), (20, 1422331), (41, 693820), (82, 346910), (113, 251740), (164, 173455), (205, 138764), (226, 125870), (307, 92660), (410, 69382), (452, 62935), (565, 50348), (614, 46330), (820, 34691), (1130, 25174), (1228, 23165), (1535, 18532), (2260, 12587), (3070, 9266), (4633, 6140)]