64012400

素因数分解:

$2^4\times 5^2\times {\mathrm{160031}}^1$

素因数の和:160049

約数の個数: 30

約数和(自身を含む): 153790752

約数和(自身を除く): 89778352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 160031, 320062, 640124, 800155, 1280248, 1600310, 2560496, 3200620, 4000775, 6401240, 8001550, 12802480, 16003100, 32006200, 64012400]

約数ペア:

[(1, 64012400), (2, 32006200), (4, 16003100), (5, 12802480), (8, 8001550), (10, 6401240), (16, 4000775), (20, 3200620), (25, 2560496), (40, 1600310), (50, 1280248), (80, 800155), (100, 640124), (200, 320062), (400, 160031)]