71111080

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{21419}}^1$

素因数の和:21513

約数の個数: 32

約数和(自身を含む): 161935200

約数和(自身を除く): 90824120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 21419, 42838, 85676, 107095, 171352, 214190, 428380, 856760, 1777777, 3555554, 7111108, 8888885, 14222216, 17777770, 35555540, 71111080]

約数ペア:

[(1, 71111080), (2, 35555540), (4, 17777770), (5, 14222216), (8, 8888885), (10, 7111108), (20, 3555554), (40, 1777777), (83, 856760), (166, 428380), (332, 214190), (415, 171352), (664, 107095), (830, 85676), (1660, 42838), (3320, 21419)]