866680

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{461}}^1$

素因数の和:519

約数の個数: 32

約数和(自身を含む): 1995840

約数和(自身を除く): 1129160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 461, 470, 922, 940, 1844, 1880, 2305, 3688, 4610, 9220, 18440, 21667, 43334, 86668, 108335, 173336, 216670, 433340, 866680]

約数ペア:

[(1, 866680), (2, 433340), (4, 216670), (5, 173336), (8, 108335), (10, 86668), (20, 43334), (40, 21667), (47, 18440), (94, 9220), (188, 4610), (235, 3688), (376, 2305), (461, 1880), (470, 1844), (922, 940)]