12970546940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1609249}}^1$

素因数の和:1609302

約数の個数: 48

約数和(自身を含む): 30279648000

約数和(自身を除く): 17309101060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 1609249, 3218498, 6436996, 8046245, 16092490, 20920237, 32184980, 41840474, 49886719, 83680948, 99773438, 104601185, 199546876, 209202370, 249433595, 418404740, 498867190, 648527347, 997734380, 1297054694, 2594109388, 3242636735, 6485273470, 12970546940]

約数ペア:

[(1, 12970546940), (2, 6485273470), (4, 3242636735), (5, 2594109388), (10, 1297054694), (13, 997734380), (20, 648527347), (26, 498867190), (31, 418404740), (52, 249433595), (62, 209202370), (65, 199546876), (124, 104601185), (130, 99773438), (155, 83680948), (260, 49886719), (310, 41840474), (403, 32184980), (620, 20920237), (806, 16092490), (1612, 8046245), (2015, 6436996), (4030, 3218498), (8060, 1609249)]