28234470940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1119527}}^1$

素因数の和:1119646

約数の個数: 48

約数和(自身を含む): 64511681472

約数和(自身を除く): 36277210532

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 130, 194, 260, 388, 485, 970, 1261, 1940, 2522, 5044, 6305, 12610, 25220, 1119527, 2239054, 4478108, 5597635, 11195270, 14553851, 22390540, 29107702, 58215404, 72769255, 108594119, 145538510, 217188238, 291077020, 434376476, 542970595, 1085941190, 1411723547, 2171882380, 2823447094, 5646894188, 7058617735, 14117235470, 28234470940]

約数ペア:

[(1, 28234470940), (2, 14117235470), (4, 7058617735), (5, 5646894188), (10, 2823447094), (13, 2171882380), (20, 1411723547), (26, 1085941190), (52, 542970595), (65, 434376476), (97, 291077020), (130, 217188238), (194, 145538510), (260, 108594119), (388, 72769255), (485, 58215404), (970, 29107702), (1261, 22390540), (1940, 14553851), (2522, 11195270), (5044, 5597635), (6305, 4478108), (12610, 2239054), (25220, 1119527)]