80895685

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 108396288

約数和(自身を除く): 27500603

約数列:

[1, 5, 13, 43, 65, 103, 215, 281, 515, 559, 1339, 1405, 2795, 3653, 4429, 6695, 12083, 18265, 22145, 28943, 57577, 60415, 144715, 157079, 287885, 376259, 785395, 1244549, 1881295, 6222745, 16179137, 80895685]

約数ペア:

[(1, 80895685), (5, 16179137), (13, 6222745), (43, 1881295), (65, 1244549), (103, 785395), (215, 376259), (281, 287885), (515, 157079), (559, 144715), (1339, 60415), (1405, 57577), (2795, 28943), (3653, 22145), (4429, 18265), (6695, 12083)]