21478858000

素因数分解:

$2^4\times 5^3\times {\mathrm{10739429}}^1$

素因数の和:10739452

約数の個数: 40

約数和(自身を含む): 51935883480

約数和(自身を除く): 30457025480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 10739429, 21478858, 42957716, 53697145, 85915432, 107394290, 171830864, 214788580, 268485725, 429577160, 536971450, 859154320, 1073942900, 1342428625, 2147885800, 2684857250, 4295771600, 5369714500, 10739429000, 21478858000]

約数ペア:

[(1, 21478858000), (2, 10739429000), (4, 5369714500), (5, 4295771600), (8, 2684857250), (10, 2147885800), (16, 1342428625), (20, 1073942900), (25, 859154320), (40, 536971450), (50, 429577160), (80, 268485725), (100, 214788580), (125, 171830864), (200, 107394290), (250, 85915432), (400, 53697145), (500, 42957716), (1000, 21478858), (2000, 10739429)]