79221320

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{42139}}^1$

素因数の和:42197

約数の個数: 32

約数和(自身を含む): 182044800

約数和(自身を除く): 102823480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 42139, 84278, 168556, 210695, 337112, 421390, 842780, 1685560, 1980533, 3961066, 7922132, 9902665, 15844264, 19805330, 39610660, 79221320]

約数ペア:

[(1, 79221320), (2, 39610660), (4, 19805330), (5, 15844264), (8, 9902665), (10, 7922132), (20, 3961066), (40, 1980533), (47, 1685560), (94, 842780), (188, 421390), (235, 337112), (376, 210695), (470, 168556), (940, 84278), (1880, 42139)]