61785620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3347}}^1$

素因数の和:3440

約数の個数: 48

約数和(自身を含む): 141740928

約数和(自身を除く): 79955308

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 3347, 3692, 4615, 6694, 9230, 13388, 16735, 18460, 33470, 43511, 66940, 87022, 174044, 217555, 237637, 435110, 475274, 870220, 950548, 1188185, 2376370, 3089281, 4752740, 6178562, 12357124, 15446405, 30892810, 61785620]

約数ペア:

[(1, 61785620), (2, 30892810), (4, 15446405), (5, 12357124), (10, 6178562), (13, 4752740), (20, 3089281), (26, 2376370), (52, 1188185), (65, 950548), (71, 870220), (130, 475274), (142, 435110), (260, 237637), (284, 217555), (355, 174044), (710, 87022), (923, 66940), (1420, 43511), (1846, 33470), (3347, 18460), (3692, 16735), (4615, 13388), (6694, 9230)]