54394660

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1\times {\mathrm{199}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 116928000

約数和(自身を除く): 62533340

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 173, 199, 316, 346, 395, 398, 692, 790, 796, 865, 995, 1580, 1730, 1990, 3460, 3980, 13667, 15721, 27334, 31442, 34427, 54668, 62884, 68335, 68854, 78605, 136670, 137708, 157210, 172135, 273340, 314420, 344270, 688540, 2719733, 5439466, 10878932, 13598665, 27197330, 54394660]

約数ペア:

[(1, 54394660), (2, 27197330), (4, 13598665), (5, 10878932), (10, 5439466), (20, 2719733), (79, 688540), (158, 344270), (173, 314420), (199, 273340), (316, 172135), (346, 157210), (395, 137708), (398, 136670), (692, 78605), (790, 68854), (796, 68335), (865, 62884), (995, 54668), (1580, 34427), (1730, 31442), (1990, 27334), (3460, 15721), (3980, 13667)]