9780940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37619}}^1$

素因数の和:37641

約数の個数: 24

約数和(自身を含む): 22120560

約数和(自身を除く): 12339620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 37619, 75238, 150476, 188095, 376190, 489047, 752380, 978094, 1956188, 2445235, 4890470, 9780940]

約数ペア:

[(1, 9780940), (2, 4890470), (4, 2445235), (5, 1956188), (10, 978094), (13, 752380), (20, 489047), (26, 376190), (52, 188095), (65, 150476), (130, 75238), (260, 37619)]