80491340

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{68213}}^1$

素因数の和:68281

約数の個数: 24

約数和(自身を含む): 171899280

約数和(自身を除く): 91407940

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 68213, 136426, 272852, 341065, 682130, 1364260, 4024567, 8049134, 16098268, 20122835, 40245670, 80491340]

約数ペア:

[(1, 80491340), (2, 40245670), (4, 20122835), (5, 16098268), (10, 8049134), (20, 4024567), (59, 1364260), (118, 682130), (236, 341065), (295, 272852), (590, 136426), (1180, 68213)]