80400875

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{349}}^1$

素因数の和:480

約数の個数: 32

約数和(自身を含む): 107016000

約数和(自身を除く): 26615125

約数列:

[1, 5, 19, 25, 95, 97, 125, 349, 475, 485, 1745, 1843, 2375, 2425, 6631, 8725, 9215, 12125, 33155, 33853, 43625, 46075, 165775, 169265, 230375, 643207, 828875, 846325, 3216035, 4231625, 16080175, 80400875]

約数ペア:

[(1, 80400875), (5, 16080175), (19, 4231625), (25, 3216035), (95, 846325), (97, 828875), (125, 643207), (349, 230375), (475, 169265), (485, 165775), (1745, 46075), (1843, 43625), (2375, 33853), (2425, 33155), (6631, 12125), (8725, 9215)]