128076520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{22391}}^1$

素因数の和:22426

約数の個数: 64

約数和(自身を含む): 338567040

約数和(自身を除く): 210490520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 5720, 22391, 44782, 89564, 111955, 179128, 223910, 246301, 291083, 447820, 492602, 582166, 895640, 985204, 1164332, 1231505, 1455415, 1970408, 2328664, 2463010, 2910830, 3201913, 4926020, 5821660, 6403826, 9852040, 11643320, 12807652, 16009565, 25615304, 32019130, 64038260, 128076520]

約数ペア:

[(1, 128076520), (2, 64038260), (4, 32019130), (5, 25615304), (8, 16009565), (10, 12807652), (11, 11643320), (13, 9852040), (20, 6403826), (22, 5821660), (26, 4926020), (40, 3201913), (44, 2910830), (52, 2463010), (55, 2328664), (65, 1970408), (88, 1455415), (104, 1231505), (110, 1164332), (130, 985204), (143, 895640), (220, 582166), (260, 492602), (286, 447820), (440, 291083), (520, 246301), (572, 223910), (715, 179128), (1144, 111955), (1430, 89564), (2860, 44782), (5720, 22391)]