13303470220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{373}}^1\times {\mathrm{25117}}^1$

素因数の和:25570

約数の個数: 48

約数和(自身を含む): 28407855168

約数和(自身を除く): 15104384948

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 373, 710, 746, 1420, 1492, 1865, 3730, 7460, 25117, 26483, 50234, 52966, 100468, 105932, 125585, 132415, 251170, 264830, 502340, 529660, 1783307, 3566614, 7133228, 8916535, 9368641, 17833070, 18737282, 35666140, 37474564, 46843205, 93686410, 187372820, 665173511, 1330347022, 2660694044, 3325867555, 6651735110, 13303470220]

約数ペア:

[(1, 13303470220), (2, 6651735110), (4, 3325867555), (5, 2660694044), (10, 1330347022), (20, 665173511), (71, 187372820), (142, 93686410), (284, 46843205), (355, 37474564), (373, 35666140), (710, 18737282), (746, 17833070), (1420, 9368641), (1492, 8916535), (1865, 7133228), (3730, 3566614), (7460, 1783307), (25117, 529660), (26483, 502340), (50234, 264830), (52966, 251170), (100468, 132415), (105932, 125585)]