85427600

素因数分解:

$2^4\times 5^2\times {\mathrm{41}}^1\times {\mathrm{5209}}^1$

素因数の和:5268

約数の個数: 60

約数和(自身を含む): 210286020

約数和(自身を除く): 124858420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 80, 82, 100, 164, 200, 205, 328, 400, 410, 656, 820, 1025, 1640, 2050, 3280, 4100, 5209, 8200, 10418, 16400, 20836, 26045, 41672, 52090, 83344, 104180, 130225, 208360, 213569, 260450, 416720, 427138, 520900, 854276, 1041800, 1067845, 1708552, 2083600, 2135690, 3417104, 4271380, 5339225, 8542760, 10678450, 17085520, 21356900, 42713800, 85427600]

約数ペア:

[(1, 85427600), (2, 42713800), (4, 21356900), (5, 17085520), (8, 10678450), (10, 8542760), (16, 5339225), (20, 4271380), (25, 3417104), (40, 2135690), (41, 2083600), (50, 1708552), (80, 1067845), (82, 1041800), (100, 854276), (164, 520900), (200, 427138), (205, 416720), (328, 260450), (400, 213569), (410, 208360), (656, 130225), (820, 104180), (1025, 83344), (1640, 52090), (2050, 41672), (3280, 26045), (4100, 20836), (5209, 16400), (8200, 10418)]