208077640

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{140593}}^1$

素因数の和:140641

約数の個数: 32

約数和(自身を含む): 480831480

約数和(自身を除く): 272753840

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 140593, 281186, 562372, 702965, 1124744, 1405930, 2811860, 5201941, 5623720, 10403882, 20807764, 26009705, 41615528, 52019410, 104038820, 208077640]

約数ペア:

[(1, 208077640), (2, 104038820), (4, 52019410), (5, 41615528), (8, 26009705), (10, 20807764), (20, 10403882), (37, 5623720), (40, 5201941), (74, 2811860), (148, 1405930), (185, 1124744), (296, 702965), (370, 562372), (740, 281186), (1480, 140593)]