20190880

素因数分解:

$2^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2381}}^1$

素因数の和:2449

約数の個数: 48

約数和(自身を含む): 48621384

約数和(自身を除く): 28430504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 80, 106, 160, 212, 265, 424, 530, 848, 1060, 1696, 2120, 2381, 4240, 4762, 8480, 9524, 11905, 19048, 23810, 38096, 47620, 76192, 95240, 126193, 190480, 252386, 380960, 504772, 630965, 1009544, 1261930, 2019088, 2523860, 4038176, 5047720, 10095440, 20190880]

約数ペア:

[(1, 20190880), (2, 10095440), (4, 5047720), (5, 4038176), (8, 2523860), (10, 2019088), (16, 1261930), (20, 1009544), (32, 630965), (40, 504772), (53, 380960), (80, 252386), (106, 190480), (160, 126193), (212, 95240), (265, 76192), (424, 47620), (530, 38096), (848, 23810), (1060, 19048), (1696, 11905), (2120, 9524), (2381, 8480), (4240, 4762)]