6980720

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1229}}^1$

素因数の和:1313

約数の個数: 40

約数和(自身を含む): 16472160

約数和(自身を除く): 9491440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1229, 1420, 2458, 2840, 4916, 5680, 6145, 9832, 12290, 19664, 24580, 49160, 87259, 98320, 174518, 349036, 436295, 698072, 872590, 1396144, 1745180, 3490360, 6980720]

約数ペア:

[(1, 6980720), (2, 3490360), (4, 1745180), (5, 1396144), (8, 872590), (10, 698072), (16, 436295), (20, 349036), (40, 174518), (71, 98320), (80, 87259), (142, 49160), (284, 24580), (355, 19664), (568, 12290), (710, 9832), (1136, 6145), (1229, 5680), (1420, 4916), (2458, 2840)]