66412400

素因数分解:

$2^4\times 5^2\times {\mathrm{166031}}^1$

素因数の和:166049

約数の個数: 30

約数和(自身を含む): 159556752

約数和(自身を除く): 93144352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 166031, 332062, 664124, 830155, 1328248, 1660310, 2656496, 3320620, 4150775, 6641240, 8301550, 13282480, 16603100, 33206200, 66412400]

約数ペア:

[(1, 66412400), (2, 33206200), (4, 16603100), (5, 13282480), (8, 8301550), (10, 6641240), (16, 4150775), (20, 3320620), (25, 2656496), (40, 1660310), (50, 1328248), (80, 830155), (100, 664124), (200, 332062), (400, 166031)]