68849680

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{8521}}^1$

素因数の和:8635

約数の個数: 40

約数和(自身を含む): 161679384

約数和(自身を除く): 92829704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 8521, 17042, 34084, 42605, 68168, 85210, 136336, 170420, 340840, 681680, 860621, 1721242, 3442484, 4303105, 6884968, 8606210, 13769936, 17212420, 34424840, 68849680]

約数ペア:

[(1, 68849680), (2, 34424840), (4, 17212420), (5, 13769936), (8, 8606210), (10, 6884968), (16, 4303105), (20, 3442484), (40, 1721242), (80, 860621), (101, 681680), (202, 340840), (404, 170420), (505, 136336), (808, 85210), (1010, 68168), (1616, 42605), (2020, 34084), (4040, 17042), (8080, 8521)]