16410625

素因数分解:

$5^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1$

素因数の和:80

約数の個数: 60

約数和(自身を含む): 26591488

約数和(自身を除く): 10180863

約数列:

[1, 5, 7, 11, 25, 31, 35, 55, 77, 121, 125, 155, 175, 217, 275, 341, 385, 605, 625, 775, 847, 875, 1085, 1375, 1705, 1925, 2387, 3025, 3751, 3875, 4235, 4375, 5425, 6875, 8525, 9625, 11935, 15125, 18755, 19375, 21175, 26257, 27125, 42625, 48125, 59675, 75625, 93775, 105875, 131285, 135625, 213125, 298375, 468875, 529375, 656425, 1491875, 2344375, 3282125, 16410625]

約数ペア:

[(1, 16410625), (5, 3282125), (7, 2344375), (11, 1491875), (25, 656425), (31, 529375), (35, 468875), (55, 298375), (77, 213125), (121, 135625), (125, 131285), (155, 105875), (175, 93775), (217, 75625), (275, 59675), (341, 48125), (385, 42625), (605, 27125), (625, 26257), (775, 21175), (847, 19375), (875, 18755), (1085, 15125), (1375, 11935), (1705, 9625), (1925, 8525), (2387, 6875), (3025, 5425), (3751, 4375), (3875, 4235)]