6690380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^2\times {\mathrm{199}}^1$

素因数の和:290

約数の個数: 36

約数和(自身を含む): 14473200

約数和(自身を除く): 7782820

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 199, 205, 398, 410, 796, 820, 995, 1681, 1990, 3362, 3980, 6724, 8159, 8405, 16318, 16810, 32636, 33620, 40795, 81590, 163180, 334519, 669038, 1338076, 1672595, 3345190, 6690380]

約数ペア:

[(1, 6690380), (2, 3345190), (4, 1672595), (5, 1338076), (10, 669038), (20, 334519), (41, 163180), (82, 81590), (164, 40795), (199, 33620), (205, 32636), (398, 16810), (410, 16318), (796, 8405), (820, 8159), (995, 6724), (1681, 3980), (1990, 3362)]