201419980

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{127481}}^1$

素因数の和:127569

約数の個数: 24

約数和(自身を含む): 428339520

約数和(自身を除く): 226919540

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 127481, 254962, 509924, 637405, 1274810, 2549620, 10070999, 20141998, 40283996, 50354995, 100709990, 201419980]

約数ペア:

[(1, 201419980), (2, 100709990), (4, 50354995), (5, 40283996), (10, 20141998), (20, 10070999), (79, 2549620), (158, 1274810), (316, 637405), (395, 509924), (790, 254962), (1580, 127481)]