129490120

素因数分解:

$2^3\times 5^1\times {\mathrm{613}}^1\times {\mathrm{5281}}^1$

素因数の和:5905

約数の個数: 32

約数和(自身を含む): 291883320

約数和(自身を除く): 162393200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 613, 1226, 2452, 3065, 4904, 5281, 6130, 10562, 12260, 21124, 24520, 26405, 42248, 52810, 105620, 211240, 3237253, 6474506, 12949012, 16186265, 25898024, 32372530, 64745060, 129490120]

約数ペア:

[(1, 129490120), (2, 64745060), (4, 32372530), (5, 25898024), (8, 16186265), (10, 12949012), (20, 6474506), (40, 3237253), (613, 211240), (1226, 105620), (2452, 52810), (3065, 42248), (4904, 26405), (5281, 24520), (6130, 21124), (10562, 12260)]