133674760

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{81509}}^1$

素因数の和:81561

約数の個数: 32

約数和(自身を含む): 308107800

約数和(自身を除く): 174433040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 81509, 163018, 326036, 407545, 652072, 815090, 1630180, 3260360, 3341869, 6683738, 13367476, 16709345, 26734952, 33418690, 66837380, 133674760]

約数ペア:

[(1, 133674760), (2, 66837380), (4, 33418690), (5, 26734952), (8, 16709345), (10, 13367476), (20, 6683738), (40, 3341869), (41, 3260360), (82, 1630180), (164, 815090), (205, 652072), (328, 407545), (410, 326036), (820, 163018), (1640, 81509)]