80707970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{2819}}^1$

素因数の和:3242

約数の個数: 32

約数和(自身を含む): 166492800

約数和(自身を除く): 85784830

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 409, 818, 2045, 2819, 2863, 4090, 5638, 5726, 14095, 14315, 19733, 28190, 28630, 39466, 98665, 197330, 1152971, 2305942, 5764855, 8070797, 11529710, 16141594, 40353985, 80707970]

約数ペア:

[(1, 80707970), (2, 40353985), (5, 16141594), (7, 11529710), (10, 8070797), (14, 5764855), (35, 2305942), (70, 1152971), (409, 197330), (818, 98665), (2045, 39466), (2819, 28630), (2863, 28190), (4090, 19733), (5638, 14315), (5726, 14095)]