12869375

素因数分解:

$5^4\times {\mathrm{59}}^1\times {\mathrm{349}}^1$

素因数の和:428

約数の個数: 20

約数和(自身を含む): 16401000

約数和(自身を除く): 3531625

約数列:

[1, 5, 25, 59, 125, 295, 349, 625, 1475, 1745, 7375, 8725, 20591, 36875, 43625, 102955, 218125, 514775, 2573875, 12869375]

約数ペア:

[(1, 12869375), (5, 2573875), (25, 514775), (59, 218125), (125, 102955), (295, 43625), (349, 36875), (625, 20591), (1475, 8725), (1745, 7375)]