80309620

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{68059}}^1$

素因数の和:68127

約数の個数: 24

約数和(自身を含む): 171511200

約数和(自身を除く): 91201580

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 68059, 136118, 272236, 340295, 680590, 1361180, 4015481, 8030962, 16061924, 20077405, 40154810, 80309620]

約数ペア:

[(1, 80309620), (2, 40154810), (4, 20077405), (5, 16061924), (10, 8030962), (20, 4015481), (59, 1361180), (118, 680590), (236, 340295), (295, 272236), (590, 136118), (1180, 68059)]