71479640

素因数分解:

$2^3\times 5^1\times {\mathrm{433}}^1\times {\mathrm{4127}}^1$

素因数の和:4571

約数の個数: 32

約数和(自身を含む): 161239680

約数和(自身を除く): 89760040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 433, 866, 1732, 2165, 3464, 4127, 4330, 8254, 8660, 16508, 17320, 20635, 33016, 41270, 82540, 165080, 1786991, 3573982, 7147964, 8934955, 14295928, 17869910, 35739820, 71479640]

約数ペア:

[(1, 71479640), (2, 35739820), (4, 17869910), (5, 14295928), (8, 8934955), (10, 7147964), (20, 3573982), (40, 1786991), (433, 165080), (866, 82540), (1732, 41270), (2165, 33016), (3464, 20635), (4127, 17320), (4330, 16508), (8254, 8660)]