61969480

素因数分解:

$2^3\times 5^1\times {\mathrm{727}}^1\times {\mathrm{2131}}^1$

素因数の和:2869

約数の個数: 32

約数和(自身を含む): 139688640

約数和(自身を除く): 77719160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 727, 1454, 2131, 2908, 3635, 4262, 5816, 7270, 8524, 10655, 14540, 17048, 21310, 29080, 42620, 85240, 1549237, 3098474, 6196948, 7746185, 12393896, 15492370, 30984740, 61969480]

約数ペア:

[(1, 61969480), (2, 30984740), (4, 15492370), (5, 12393896), (8, 7746185), (10, 6196948), (20, 3098474), (40, 1549237), (727, 85240), (1454, 42620), (2131, 29080), (2908, 21310), (3635, 17048), (4262, 14540), (5816, 10655), (7270, 8524)]