2131808540

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{653929}}^1$

素因数の和:654101

約数の個数: 24

約数和(自身を含む): 4504269840

約数和(自身を除く): 2372461300

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 653929, 1307858, 2615716, 3269645, 6539290, 13078580, 106590427, 213180854, 426361708, 532952135, 1065904270, 2131808540]

約数ペア:

[(1, 2131808540), (2, 1065904270), (4, 532952135), (5, 426361708), (10, 213180854), (20, 106590427), (163, 13078580), (326, 6539290), (652, 3269645), (815, 2615716), (1630, 1307858), (3260, 653929)]