171760840

素因数分解:

$2^3\times 5^1\times {\mathrm{683}}^1\times {\mathrm{6287}}^1$

素因数の和:6981

約数の個数: 32

約数和(自身を含む): 387089280

約数和(自身を除く): 215328440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 683, 1366, 2732, 3415, 5464, 6287, 6830, 12574, 13660, 25148, 27320, 31435, 50296, 62870, 125740, 251480, 4294021, 8588042, 17176084, 21470105, 34352168, 42940210, 85880420, 171760840]

約数ペア:

[(1, 171760840), (2, 85880420), (4, 42940210), (5, 34352168), (8, 21470105), (10, 17176084), (20, 8588042), (40, 4294021), (683, 251480), (1366, 125740), (2732, 62870), (3415, 50296), (5464, 31435), (6287, 27320), (6830, 25148), (12574, 13660)]