2938997620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{26227}}^1$

素因数の和:26680

約数の個数: 48

約数和(自身を含む): 6662331648

約数和(自身を除く): 3723334028

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 431, 862, 1724, 2155, 4310, 5603, 8620, 11206, 22412, 26227, 28015, 52454, 56030, 104908, 112060, 131135, 262270, 340951, 524540, 681902, 1363804, 1704755, 3409510, 6819020, 11303837, 22607674, 45215348, 56519185, 113038370, 146949881, 226076740, 293899762, 587799524, 734749405, 1469498810, 2938997620]

約数ペア:

[(1, 2938997620), (2, 1469498810), (4, 734749405), (5, 587799524), (10, 293899762), (13, 226076740), (20, 146949881), (26, 113038370), (52, 56519185), (65, 45215348), (130, 22607674), (260, 11303837), (431, 6819020), (862, 3409510), (1724, 1704755), (2155, 1363804), (4310, 681902), (5603, 524540), (8620, 340951), (11206, 262270), (22412, 131135), (26227, 112060), (28015, 104908), (52454, 56030)]