82521790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{1583}}^1$

素因数の和:2004

約数の個数: 32

約数和(自身を含む): 160465536

約数和(自身を除く): 77943746

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 401, 802, 1583, 2005, 3166, 4010, 5213, 7915, 10426, 15830, 20579, 26065, 41158, 52130, 102895, 205790, 634783, 1269566, 3173915, 6347830, 8252179, 16504358, 41260895, 82521790]

約数ペア:

[(1, 82521790), (2, 41260895), (5, 16504358), (10, 8252179), (13, 6347830), (26, 3173915), (65, 1269566), (130, 634783), (401, 205790), (802, 102895), (1583, 52130), (2005, 41158), (3166, 26065), (4010, 20579), (5213, 15830), (7915, 10426)]