38989660

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{24677}}^1$

素因数の和:24765

約数の個数: 24

約数和(自身を含む): 82918080

約数和(自身を除く): 43928420

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 24677, 49354, 98708, 123385, 246770, 493540, 1949483, 3898966, 7797932, 9747415, 19494830, 38989660]

約数ペア:

[(1, 38989660), (2, 19494830), (4, 9747415), (5, 7797932), (10, 3898966), (20, 1949483), (79, 493540), (158, 246770), (316, 123385), (395, 98708), (790, 49354), (1580, 24677)]