15669620980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{899519}}^1$

素因数の和:899608

約数の個数: 48

約数和(自身を含む): 35966407680

約数和(自身を除く): 20296786700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 871, 1340, 1742, 3484, 4355, 8710, 17420, 899519, 1799038, 3598076, 4497595, 8995190, 11693747, 17990380, 23387494, 46774988, 58468735, 60267773, 116937470, 120535546, 233874940, 241071092, 301338865, 602677730, 783481049, 1205355460, 1566962098, 3133924196, 3917405245, 7834810490, 15669620980]

約数ペア:

[(1, 15669620980), (2, 7834810490), (4, 3917405245), (5, 3133924196), (10, 1566962098), (13, 1205355460), (20, 783481049), (26, 602677730), (52, 301338865), (65, 241071092), (67, 233874940), (130, 120535546), (134, 116937470), (260, 60267773), (268, 58468735), (335, 46774988), (670, 23387494), (871, 17990380), (1340, 11693747), (1742, 8995190), (3484, 4497595), (4355, 3598076), (8710, 1799038), (17420, 899519)]