67269520

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{20509}}^1$

素因数の和:20563

約数の個数: 40

約数和(自身を含む): 160224120

約数和(自身を除く): 92954600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 20509, 41018, 82036, 102545, 164072, 205090, 328144, 410180, 820360, 840869, 1640720, 1681738, 3363476, 4204345, 6726952, 8408690, 13453904, 16817380, 33634760, 67269520]

約数ペア:

[(1, 67269520), (2, 33634760), (4, 16817380), (5, 13453904), (8, 8408690), (10, 6726952), (16, 4204345), (20, 3363476), (40, 1681738), (41, 1640720), (80, 840869), (82, 820360), (164, 410180), (205, 328144), (328, 205090), (410, 164072), (656, 102545), (820, 82036), (1640, 41018), (3280, 20509)]