82663945820

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1\times {\mathrm{208253}}^1$

素因数の和:208574

約数の個数: 48

約数和(自身を含む): 176332826880

約数和(自身を除く): 93668881060

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 223, 356, 445, 446, 890, 892, 1115, 1780, 2230, 4460, 19847, 39694, 79388, 99235, 198470, 208253, 396940, 416506, 833012, 1041265, 2082530, 4165060, 18534517, 37069034, 46440419, 74138068, 92672585, 92880838, 185345170, 185761676, 232202095, 370690340, 464404190, 928808380, 4133197291, 8266394582, 16532789164, 20665986455, 41331972910, 82663945820]

約数ペア:

[(1, 82663945820), (2, 41331972910), (4, 20665986455), (5, 16532789164), (10, 8266394582), (20, 4133197291), (89, 928808380), (178, 464404190), (223, 370690340), (356, 232202095), (445, 185761676), (446, 185345170), (890, 92880838), (892, 92672585), (1115, 74138068), (1780, 46440419), (2230, 37069034), (4460, 18534517), (19847, 4165060), (39694, 2082530), (79388, 1041265), (99235, 833012), (198470, 416506), (208253, 396940)]