17156840

素因数分解:

$2^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1229}}^1$

素因数の和:1589

約数の個数: 32

約数和(自身を含む): 38745000

約数和(自身を除く): 21588160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 349, 698, 1229, 1396, 1745, 2458, 2792, 3490, 4916, 6145, 6980, 9832, 12290, 13960, 24580, 49160, 428921, 857842, 1715684, 2144605, 3431368, 4289210, 8578420, 17156840]

約数ペア:

[(1, 17156840), (2, 8578420), (4, 4289210), (5, 3431368), (8, 2144605), (10, 1715684), (20, 857842), (40, 428921), (349, 49160), (698, 24580), (1229, 13960), (1396, 12290), (1745, 9832), (2458, 6980), (2792, 6145), (3490, 4916)]