161025400

素因数分解:

$2^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{27763}}^1$

素因数の和:27808

約数の個数: 48

約数和(自身を含む): 387307800

約数和(自身を除く): 226282400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 116, 145, 200, 232, 290, 580, 725, 1160, 1450, 2900, 5800, 27763, 55526, 111052, 138815, 222104, 277630, 555260, 694075, 805127, 1110520, 1388150, 1610254, 2776300, 3220508, 4025635, 5552600, 6441016, 8051270, 16102540, 20128175, 32205080, 40256350, 80512700, 161025400]

約数ペア:

[(1, 161025400), (2, 80512700), (4, 40256350), (5, 32205080), (8, 20128175), (10, 16102540), (20, 8051270), (25, 6441016), (29, 5552600), (40, 4025635), (50, 3220508), (58, 2776300), (100, 1610254), (116, 1388150), (145, 1110520), (200, 805127), (232, 694075), (290, 555260), (580, 277630), (725, 222104), (1160, 138815), (1450, 111052), (2900, 55526), (5800, 27763)]