80016572

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{313}}^1\times {\mathrm{809}}^1$

素因数の和:1205

約数の個数: 24

約数和(自身を含む): 142430400

約数和(自身を除く): 62413828

約数列:

[1, 2, 4, 79, 158, 313, 316, 626, 809, 1252, 1618, 3236, 24727, 49454, 63911, 98908, 127822, 253217, 255644, 506434, 1012868, 20004143, 40008286, 80016572]

約数ペア:

[(1, 80016572), (2, 40008286), (4, 20004143), (79, 1012868), (158, 506434), (313, 255644), (316, 253217), (626, 127822), (809, 98908), (1252, 63911), (1618, 49454), (3236, 24727)]