9012400

素因数分解:

$2^4\times 5^2\times {\mathrm{22531}}^1$

素因数の和:22549

約数の個数: 30

約数和(自身を含む): 21653252

約数和(自身を除く): 12640852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 22531, 45062, 90124, 112655, 180248, 225310, 360496, 450620, 563275, 901240, 1126550, 1802480, 2253100, 4506200, 9012400]

約数ペア:

[(1, 9012400), (2, 4506200), (4, 2253100), (5, 1802480), (8, 1126550), (10, 901240), (16, 563275), (20, 450620), (25, 360496), (40, 225310), (50, 180248), (80, 112655), (100, 90124), (200, 45062), (400, 22531)]