20199827500

素因数分解:

$2^2\times 5^4\times {\mathrm{139}}^1\times {\mathrm{58129}}^1$

素因数の和:58292

約数の個数: 60

約数和(自身を含む): 44491539400

約数和(自身を除く): 24291711900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 139, 250, 278, 500, 556, 625, 695, 1250, 1390, 2500, 2780, 3475, 6950, 13900, 17375, 34750, 58129, 69500, 86875, 116258, 173750, 232516, 290645, 347500, 581290, 1162580, 1453225, 2906450, 5812900, 7266125, 8079931, 14532250, 16159862, 29064500, 32319724, 36330625, 40399655, 72661250, 80799310, 145322500, 161598620, 201998275, 403996550, 807993100, 1009991375, 2019982750, 4039965500, 5049956875, 10099913750, 20199827500]

約数ペア:

[(1, 20199827500), (2, 10099913750), (4, 5049956875), (5, 4039965500), (10, 2019982750), (20, 1009991375), (25, 807993100), (50, 403996550), (100, 201998275), (125, 161598620), (139, 145322500), (250, 80799310), (278, 72661250), (500, 40399655), (556, 36330625), (625, 32319724), (695, 29064500), (1250, 16159862), (1390, 14532250), (2500, 8079931), (2780, 7266125), (3475, 5812900), (6950, 2906450), (13900, 1453225), (17375, 1162580), (34750, 581290), (58129, 347500), (69500, 290645), (86875, 232516), (116258, 173750)]