220091680

素因数分解:

$2^5\times 5^1\times {\mathrm{463}}^1\times {\mathrm{2971}}^1$

素因数の和:3449

約数の個数: 48

約数和(自身を含む): 521265024

約数和(自身を除く): 301173344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 463, 926, 1852, 2315, 2971, 3704, 4630, 5942, 7408, 9260, 11884, 14816, 14855, 18520, 23768, 29710, 37040, 47536, 59420, 74080, 95072, 118840, 237680, 475360, 1375573, 2751146, 5502292, 6877865, 11004584, 13755730, 22009168, 27511460, 44018336, 55022920, 110045840, 220091680]

約数ペア:

[(1, 220091680), (2, 110045840), (4, 55022920), (5, 44018336), (8, 27511460), (10, 22009168), (16, 13755730), (20, 11004584), (32, 6877865), (40, 5502292), (80, 2751146), (160, 1375573), (463, 475360), (926, 237680), (1852, 118840), (2315, 95072), (2971, 74080), (3704, 59420), (4630, 47536), (5942, 37040), (7408, 29710), (9260, 23768), (11884, 18520), (14816, 14855)]