157043125

素因数分解:

$5^4\times {\mathrm{71}}^1\times {\mathrm{3539}}^1$

素因数の和:3630

約数の個数: 20

約数和(自身を含む): 199061280

約数和(自身を除く): 42018155

約数列:

[1, 5, 25, 71, 125, 355, 625, 1775, 3539, 8875, 17695, 44375, 88475, 251269, 442375, 1256345, 2211875, 6281725, 31408625, 157043125]

約数ペア:

[(1, 157043125), (5, 31408625), (25, 6281725), (71, 2211875), (125, 1256345), (355, 442375), (625, 251269), (1775, 88475), (3539, 44375), (8875, 17695)]