258575125

素因数分解:

$5^3\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{659}}^1$

素因数の和:790

約数の個数: 32

約数和(自身を含む): 335237760

約数和(自身を除く): 76662635

約数列:

[1, 5, 25, 43, 73, 125, 215, 365, 659, 1075, 1825, 3139, 3295, 5375, 9125, 15695, 16475, 28337, 48107, 78475, 82375, 141685, 240535, 392375, 708425, 1202675, 2068601, 3542125, 6013375, 10343005, 51715025, 258575125]

約数ペア:

[(1, 258575125), (5, 51715025), (25, 10343005), (43, 6013375), (73, 3542125), (125, 2068601), (215, 1202675), (365, 708425), (659, 392375), (1075, 240535), (1825, 141685), (3139, 82375), (3295, 78475), (5375, 48107), (9125, 28337), (15695, 16475)]