19880880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{82837}}^1$

素因数の和:82853

約数の個数: 40

約数和(自身を含む): 61631472

約数和(自身を除く): 41750592

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 82837, 165674, 248511, 331348, 414185, 497022, 662696, 828370, 994044, 1242555, 1325392, 1656740, 1988088, 2485110, 3313480, 3976176, 4970220, 6626960, 9940440, 19880880]

約数ペア:

[(1, 19880880), (2, 9940440), (3, 6626960), (4, 4970220), (5, 3976176), (6, 3313480), (8, 2485110), (10, 1988088), (12, 1656740), (15, 1325392), (16, 1242555), (20, 994044), (24, 828370), (30, 662696), (40, 497022), (48, 414185), (60, 331348), (80, 248511), (120, 165674), (240, 82837)]