1981305440

素因数分解:

$2^5\times 5^1\times {\mathrm{811}}^1\times {\mathrm{15269}}^1$

素因数の和:16095

約数の個数: 48

約数和(自身を含む): 4686912720

約数和(自身を除く): 2705607280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 811, 1622, 3244, 4055, 6488, 8110, 12976, 15269, 16220, 25952, 30538, 32440, 61076, 64880, 76345, 122152, 129760, 152690, 244304, 305380, 488608, 610760, 1221520, 2443040, 12383159, 24766318, 49532636, 61915795, 99065272, 123831590, 198130544, 247663180, 396261088, 495326360, 990652720, 1981305440]

約数ペア:

[(1, 1981305440), (2, 990652720), (4, 495326360), (5, 396261088), (8, 247663180), (10, 198130544), (16, 123831590), (20, 99065272), (32, 61915795), (40, 49532636), (80, 24766318), (160, 12383159), (811, 2443040), (1622, 1221520), (3244, 610760), (4055, 488608), (6488, 305380), (8110, 244304), (12976, 152690), (15269, 129760), (16220, 122152), (25952, 76345), (30538, 64880), (32440, 61076)]