121532020

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{76919}}^1$

素因数の和:77007

約数の個数: 24

約数和(自身を含む): 258451200

約数和(自身を除く): 136919180

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 76919, 153838, 307676, 384595, 769190, 1538380, 6076601, 12153202, 24306404, 30383005, 60766010, 121532020]

約数ペア:

[(1, 121532020), (2, 60766010), (4, 30383005), (5, 24306404), (10, 12153202), (20, 6076601), (79, 1538380), (158, 769190), (316, 384595), (395, 307676), (790, 153838), (1580, 76919)]