68653040

素因数分解:

$2^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{4493}}^1$

素因数の和:4697

約数の個数: 40

約数和(自身を含む): 160489728

約数和(自身を除く): 91836688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191, 382, 764, 955, 1528, 1910, 3056, 3820, 4493, 7640, 8986, 15280, 17972, 22465, 35944, 44930, 71888, 89860, 179720, 359440, 858163, 1716326, 3432652, 4290815, 6865304, 8581630, 13730608, 17163260, 34326520, 68653040]

約数ペア:

[(1, 68653040), (2, 34326520), (4, 17163260), (5, 13730608), (8, 8581630), (10, 6865304), (16, 4290815), (20, 3432652), (40, 1716326), (80, 858163), (191, 359440), (382, 179720), (764, 89860), (955, 71888), (1528, 44930), (1910, 35944), (3056, 22465), (3820, 17972), (4493, 15280), (7640, 8986)]