19823125

素因数分解:

$5^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:247

約数の個数: 40

約数和(自身を含む): 29690496

約数和(自身を除く): 9867371

約数列:

[1, 5, 7, 23, 25, 35, 115, 125, 161, 175, 197, 575, 625, 805, 875, 985, 1379, 2875, 4025, 4375, 4531, 4925, 6895, 14375, 20125, 22655, 24625, 31717, 34475, 100625, 113275, 123125, 158585, 172375, 566375, 792925, 861875, 2831875, 3964625, 19823125]

約数ペア:

[(1, 19823125), (5, 3964625), (7, 2831875), (23, 861875), (25, 792925), (35, 566375), (115, 172375), (125, 158585), (161, 123125), (175, 113275), (197, 100625), (575, 34475), (625, 31717), (805, 24625), (875, 22655), (985, 20125), (1379, 14375), (2875, 6895), (4025, 4925), (4375, 4531)]