51220325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{439}}^1$

素因数の和:821

約数の個数: 24

約数和(自身を含む): 68745600

約数和(自身を除く): 17525275

約数列:

[1, 5, 13, 25, 65, 325, 359, 439, 1795, 2195, 4667, 5707, 8975, 10975, 23335, 28535, 116675, 142675, 157601, 788005, 2048813, 3940025, 10244065, 51220325]

約数ペア:

[(1, 51220325), (5, 10244065), (13, 3940025), (25, 2048813), (65, 788005), (325, 157601), (359, 142675), (439, 116675), (1795, 28535), (2195, 23335), (4667, 10975), (5707, 8975)]