87766520

素因数分解:

$2^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{6287}}^1$

素因数の和:6647

約数の個数: 32

約数和(自身を含む): 198072000

約数和(自身を除く): 110305480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 349, 698, 1396, 1745, 2792, 3490, 6287, 6980, 12574, 13960, 25148, 31435, 50296, 62870, 125740, 251480, 2194163, 4388326, 8776652, 10970815, 17553304, 21941630, 43883260, 87766520]

約数ペア:

[(1, 87766520), (2, 43883260), (4, 21941630), (5, 17553304), (8, 10970815), (10, 8776652), (20, 4388326), (40, 2194163), (349, 251480), (698, 125740), (1396, 62870), (1745, 50296), (2792, 31435), (3490, 25148), (6287, 13960), (6980, 12574)]