28351375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:340

約数の個数: 32

約数和(自身を含む): 38787840

約数和(自身を除く): 10436465

約数列:

[1, 5, 13, 25, 65, 73, 125, 239, 325, 365, 949, 1195, 1625, 1825, 3107, 4745, 5975, 9125, 15535, 17447, 23725, 29875, 77675, 87235, 118625, 226811, 388375, 436175, 1134055, 2180875, 5670275, 28351375]

約数ペア:

[(1, 28351375), (5, 5670275), (13, 2180875), (25, 1134055), (65, 436175), (73, 388375), (125, 226811), (239, 118625), (325, 87235), (365, 77675), (949, 29875), (1195, 23725), (1625, 17447), (1825, 15535), (3107, 9125), (4745, 5975)]