71964320

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{5419}}^1$

素因数の和:5517

約数の個数: 48

約数和(自身を含む): 172095840

約数和(自身を除く): 100131520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 160, 166, 332, 415, 664, 830, 1328, 1660, 2656, 3320, 5419, 6640, 10838, 13280, 21676, 27095, 43352, 54190, 86704, 108380, 173408, 216760, 433520, 449777, 867040, 899554, 1799108, 2248885, 3598216, 4497770, 7196432, 8995540, 14392864, 17991080, 35982160, 71964320]

約数ペア:

[(1, 71964320), (2, 35982160), (4, 17991080), (5, 14392864), (8, 8995540), (10, 7196432), (16, 4497770), (20, 3598216), (32, 2248885), (40, 1799108), (80, 899554), (83, 867040), (160, 449777), (166, 433520), (332, 216760), (415, 173408), (664, 108380), (830, 86704), (1328, 54190), (1660, 43352), (2656, 27095), (3320, 21676), (5419, 13280), (6640, 10838)]