68308760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131363}}^1$

素因数の和:131387

約数の個数: 32

約数和(自身を含む): 165518640

約数和(自身を除く): 97209880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 131363, 262726, 525452, 656815, 1050904, 1313630, 1707719, 2627260, 3415438, 5254520, 6830876, 8538595, 13661752, 17077190, 34154380, 68308760]

約数ペア:

[(1, 68308760), (2, 34154380), (4, 17077190), (5, 13661752), (8, 8538595), (10, 6830876), (13, 5254520), (20, 3415438), (26, 2627260), (40, 1707719), (52, 1313630), (65, 1050904), (104, 656815), (130, 525452), (260, 262726), (520, 131363)]