51155125

素因数分解:

$5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:239

約数の個数: 64

約数和(自身を含む): 81768960

約数和(自身を除く): 30613835

約数列:

[1, 5, 7, 17, 19, 25, 35, 85, 95, 119, 125, 133, 175, 181, 323, 425, 475, 595, 665, 875, 905, 1267, 1615, 2125, 2261, 2375, 2975, 3077, 3325, 3439, 4525, 6335, 8075, 11305, 14875, 15385, 16625, 17195, 21539, 22625, 24073, 31675, 40375, 56525, 58463, 76925, 85975, 107695, 120365, 158375, 282625, 292315, 384625, 409241, 429875, 538475, 601825, 1461575, 2046205, 2692375, 3009125, 7307875, 10231025, 51155125]

約数ペア:

[(1, 51155125), (5, 10231025), (7, 7307875), (17, 3009125), (19, 2692375), (25, 2046205), (35, 1461575), (85, 601825), (95, 538475), (119, 429875), (125, 409241), (133, 384625), (175, 292315), (181, 282625), (323, 158375), (425, 120365), (475, 107695), (595, 85975), (665, 76925), (875, 58463), (905, 56525), (1267, 40375), (1615, 31675), (2125, 24073), (2261, 22625), (2375, 21539), (2975, 17195), (3077, 16625), (3325, 15385), (3439, 14875), (4525, 11305), (6335, 8075)]