22148440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:296

約数の個数: 64

約数和(自身を含む): 51955200

約数和(自身を除く): 29806760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 79, 86, 158, 163, 172, 215, 316, 326, 344, 395, 430, 632, 652, 790, 815, 860, 1304, 1580, 1630, 1720, 3160, 3260, 3397, 6520, 6794, 7009, 12877, 13588, 14018, 16985, 25754, 27176, 28036, 33970, 35045, 51508, 56072, 64385, 67940, 70090, 103016, 128770, 135880, 140180, 257540, 280360, 515080, 553711, 1107422, 2214844, 2768555, 4429688, 5537110, 11074220, 22148440]

約数ペア:

[(1, 22148440), (2, 11074220), (4, 5537110), (5, 4429688), (8, 2768555), (10, 2214844), (20, 1107422), (40, 553711), (43, 515080), (79, 280360), (86, 257540), (158, 140180), (163, 135880), (172, 128770), (215, 103016), (316, 70090), (326, 67940), (344, 64385), (395, 56072), (430, 51508), (632, 35045), (652, 33970), (790, 28036), (815, 27176), (860, 25754), (1304, 16985), (1580, 14018), (1630, 13588), (1720, 12877), (3160, 7009), (3260, 6794), (3397, 6520)]