64976780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{1123}}^1$

素因数の和:1406

約数の個数: 48

約数和(自身を含む): 149554944

約数和(自身を除く): 84578164

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 263, 526, 1052, 1123, 1315, 2246, 2630, 2893, 4492, 5260, 5615, 5786, 11230, 11572, 12353, 14465, 22460, 24706, 28930, 49412, 57860, 61765, 123530, 247060, 295349, 590698, 1181396, 1476745, 2953490, 3248839, 5906980, 6497678, 12995356, 16244195, 32488390, 64976780]

約数ペア:

[(1, 64976780), (2, 32488390), (4, 16244195), (5, 12995356), (10, 6497678), (11, 5906980), (20, 3248839), (22, 2953490), (44, 1476745), (55, 1181396), (110, 590698), (220, 295349), (263, 247060), (526, 123530), (1052, 61765), (1123, 57860), (1315, 49412), (2246, 28930), (2630, 24706), (2893, 22460), (4492, 14465), (5260, 12353), (5615, 11572), (5786, 11230)]