81576890

素因数分解:

$2^1\times 5^1\times {\mathrm{1013}}^1\times {\mathrm{8053}}^1$

素因数の和:9073

約数の個数: 16

約数和(自身を含む): 147001608

約数和(自身を除く): 65424718

約数列:

[1, 2, 5, 10, 1013, 2026, 5065, 8053, 10130, 16106, 40265, 80530, 8157689, 16315378, 40788445, 81576890]

約数ペア:

[(1, 81576890), (2, 40788445), (5, 16315378), (10, 8157689), (1013, 80530), (2026, 40265), (5065, 16106), (8053, 10130)]