80615320

素因数分解:

$2^3\times 5^1\times {\mathrm{1033}}^1\times {\mathrm{1951}}^1$

素因数の和:2995

約数の個数: 32

約数和(自身を含む): 181653120

約数和(自身を除く): 101037800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1033, 1951, 2066, 3902, 4132, 5165, 7804, 8264, 9755, 10330, 15608, 19510, 20660, 39020, 41320, 78040, 2015383, 4030766, 8061532, 10076915, 16123064, 20153830, 40307660, 80615320]

約数ペア:

[(1, 80615320), (2, 40307660), (4, 20153830), (5, 16123064), (8, 10076915), (10, 8061532), (20, 4030766), (40, 2015383), (1033, 78040), (1951, 41320), (2066, 39020), (3902, 20660), (4132, 19510), (5165, 15608), (7804, 10330), (8264, 9755)]