80694500

素因数分解:

$2^2\times 5^3\times {\mathrm{199}}^1\times {\mathrm{811}}^1$

素因数の和:1029

約数の個数: 48

約数和(自身を含む): 177340800

約数和(自身を除く): 96646300

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 199, 250, 398, 500, 796, 811, 995, 1622, 1990, 3244, 3980, 4055, 4975, 8110, 9950, 16220, 19900, 20275, 24875, 40550, 49750, 81100, 99500, 101375, 161389, 202750, 322778, 405500, 645556, 806945, 1613890, 3227780, 4034725, 8069450, 16138900, 20173625, 40347250, 80694500]

約数ペア:

[(1, 80694500), (2, 40347250), (4, 20173625), (5, 16138900), (10, 8069450), (20, 4034725), (25, 3227780), (50, 1613890), (100, 806945), (125, 645556), (199, 405500), (250, 322778), (398, 202750), (500, 161389), (796, 101375), (811, 99500), (995, 81100), (1622, 49750), (1990, 40550), (3244, 24875), (3980, 20275), (4055, 19900), (4975, 16220), (8110, 9950)]