4489746640

素因数分解:

$2^4\times 5^1\times {\mathrm{263}}^1\times {\mathrm{213391}}^1$

素因数の和:213667

約数の個数: 40

約数和(自身を含む): 10478400768

約数和(自身を除く): 5988654128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 263, 526, 1052, 1315, 2104, 2630, 4208, 5260, 10520, 21040, 213391, 426782, 853564, 1066955, 1707128, 2133910, 3414256, 4267820, 8535640, 17071280, 56121833, 112243666, 224487332, 280609165, 448974664, 561218330, 897949328, 1122436660, 2244873320, 4489746640]

約数ペア:

[(1, 4489746640), (2, 2244873320), (4, 1122436660), (5, 897949328), (8, 561218330), (10, 448974664), (16, 280609165), (20, 224487332), (40, 112243666), (80, 56121833), (263, 17071280), (526, 8535640), (1052, 4267820), (1315, 3414256), (2104, 2133910), (2630, 1707128), (4208, 1066955), (5260, 853564), (10520, 426782), (21040, 213391)]