22145740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 48263040

約数和(自身を除く): 26117300

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 113, 164, 205, 226, 239, 410, 452, 478, 565, 820, 956, 1130, 1195, 2260, 2390, 4633, 4780, 9266, 9799, 18532, 19598, 23165, 27007, 39196, 46330, 48995, 54014, 92660, 97990, 108028, 135035, 195980, 270070, 540140, 1107287, 2214574, 4429148, 5536435, 11072870, 22145740]

約数ペア:

[(1, 22145740), (2, 11072870), (4, 5536435), (5, 4429148), (10, 2214574), (20, 1107287), (41, 540140), (82, 270070), (113, 195980), (164, 135035), (205, 108028), (226, 97990), (239, 92660), (410, 54014), (452, 48995), (478, 46330), (565, 39196), (820, 27007), (956, 23165), (1130, 19598), (1195, 18532), (2260, 9799), (2390, 9266), (4633, 4780)]