82012400

素因数分解:

$2^4\times 5^2\times {\mathrm{205031}}^1$

素因数の和:205049

約数の個数: 30

約数和(自身を含む): 197035752

約数和(自身を除く): 115023352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 205031, 410062, 820124, 1025155, 1640248, 2050310, 3280496, 4100620, 5125775, 8201240, 10251550, 16402480, 20503100, 41006200, 82012400]

約数ペア:

[(1, 82012400), (2, 41006200), (4, 20503100), (5, 16402480), (8, 10251550), (10, 8201240), (16, 5125775), (20, 4100620), (25, 3280496), (40, 2050310), (50, 1640248), (80, 1025155), (100, 820124), (200, 410062), (400, 205031)]