320654750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{98663}}^1$

素因数の和:98693

約数の個数: 32

約数和(自身を含む): 646446528

約数和(自身を除く): 325791778

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 98663, 197326, 493315, 986630, 1282619, 2466575, 2565238, 4933150, 6413095, 12332875, 12826190, 24665750, 32065475, 64130950, 160327375, 320654750]

約数ペア:

[(1, 320654750), (2, 160327375), (5, 64130950), (10, 32065475), (13, 24665750), (25, 12826190), (26, 12332875), (50, 6413095), (65, 4933150), (125, 2565238), (130, 2466575), (250, 1282619), (325, 986630), (650, 493315), (1625, 197326), (3250, 98663)]