69991640

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{3593}}^1$

素因数の和:4091

約数の個数: 32

約数和(自身を含む): 157848480

約数和(自身を除く): 87856840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 974, 1948, 2435, 3593, 3896, 4870, 7186, 9740, 14372, 17965, 19480, 28744, 35930, 71860, 143720, 1749791, 3499582, 6999164, 8748955, 13998328, 17497910, 34995820, 69991640]

約数ペア:

[(1, 69991640), (2, 34995820), (4, 17497910), (5, 13998328), (8, 8748955), (10, 6999164), (20, 3499582), (40, 1749791), (487, 143720), (974, 71860), (1948, 35930), (2435, 28744), (3593, 19480), (3896, 17965), (4870, 14372), (7186, 9740)]