16860725

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 25712640

約数和(自身を除く): 8851915

約数列:

[1, 5, 7, 23, 25, 35, 59, 71, 115, 161, 175, 295, 355, 413, 497, 575, 805, 1357, 1475, 1633, 1775, 2065, 2485, 4025, 4189, 6785, 8165, 9499, 10325, 11431, 12425, 20945, 29323, 33925, 40825, 47495, 57155, 96347, 104725, 146615, 237475, 285775, 481735, 674429, 733075, 2408675, 3372145, 16860725]

約数ペア:

[(1, 16860725), (5, 3372145), (7, 2408675), (23, 733075), (25, 674429), (35, 481735), (59, 285775), (71, 237475), (115, 146615), (161, 104725), (175, 96347), (295, 57155), (355, 47495), (413, 40825), (497, 33925), (575, 29323), (805, 20945), (1357, 12425), (1475, 11431), (1633, 10325), (1775, 9499), (2065, 8165), (2485, 6785), (4025, 4189)]