71241520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127217}}^1$

素因数の和:127237

約数の個数: 40

約数和(自身を含む): 189300384

約数和(自身を除く): 118058864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 127217, 254434, 508868, 636085, 890519, 1017736, 1272170, 1781038, 2035472, 2544340, 3562076, 4452595, 5088680, 7124152, 8905190, 10177360, 14248304, 17810380, 35620760, 71241520]

約数ペア:

[(1, 71241520), (2, 35620760), (4, 17810380), (5, 14248304), (7, 10177360), (8, 8905190), (10, 7124152), (14, 5088680), (16, 4452595), (20, 3562076), (28, 2544340), (35, 2035472), (40, 1781038), (56, 1272170), (70, 1017736), (80, 890519), (112, 636085), (140, 508868), (280, 254434), (560, 127217)]