83751875

素因数分解:

$5^4\times {\mathrm{103}}^1\times {\mathrm{1301}}^1$

素因数の和:1424

約数の個数: 20

約数和(自身を含む): 105753648

約数和(自身を除く): 22001773

約数列:

[1, 5, 25, 103, 125, 515, 625, 1301, 2575, 6505, 12875, 32525, 64375, 134003, 162625, 670015, 813125, 3350075, 16750375, 83751875]

約数ペア:

[(1, 83751875), (5, 16750375), (25, 3350075), (103, 813125), (125, 670015), (515, 162625), (625, 134003), (1301, 64375), (2575, 32525), (6505, 12875)]