16245625

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1$

素因数の和:187

約数の個数: 40

約数和(自身を含む): 23617440

約数和(自身を除く): 7371815

約数列:

[1, 5, 11, 17, 25, 55, 85, 125, 139, 187, 275, 425, 625, 695, 935, 1375, 1529, 2125, 2363, 3475, 4675, 6875, 7645, 10625, 11815, 17375, 23375, 25993, 38225, 59075, 86875, 116875, 129965, 191125, 295375, 649825, 955625, 1476875, 3249125, 16245625]

約数ペア:

[(1, 16245625), (5, 3249125), (11, 1476875), (17, 955625), (25, 649825), (55, 295375), (85, 191125), (125, 129965), (139, 116875), (187, 86875), (275, 59075), (425, 38225), (625, 25993), (695, 23375), (935, 17375), (1375, 11815), (1529, 10625), (2125, 7645), (2363, 6875), (3475, 4675)]