21825200

素因数分解:

$2^4\times 5^2\times {\mathrm{54563}}^1$

素因数の和:54581

約数の個数: 30

約数和(自身を含む): 52436004

約数和(自身を除く): 30610804

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 54563, 109126, 218252, 272815, 436504, 545630, 873008, 1091260, 1364075, 2182520, 2728150, 4365040, 5456300, 10912600, 21825200]

約数ペア:

[(1, 21825200), (2, 10912600), (4, 5456300), (5, 4365040), (8, 2728150), (10, 2182520), (16, 1364075), (20, 1091260), (25, 873008), (40, 545630), (50, 436504), (80, 272815), (100, 218252), (200, 109126), (400, 54563)]