64019600

素因数分解:

$2^4\times 5^2\times {\mathrm{160049}}^1$

素因数の和:160067

約数の個数: 30

約数和(自身を含む): 153808050

約数和(自身を除く): 89788450

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 160049, 320098, 640196, 800245, 1280392, 1600490, 2560784, 3200980, 4001225, 6401960, 8002450, 12803920, 16004900, 32009800, 64019600]

約数ペア:

[(1, 64019600), (2, 32009800), (4, 16004900), (5, 12803920), (8, 8002450), (10, 6401960), (16, 4001225), (20, 3200980), (25, 2560784), (40, 1600490), (50, 1280392), (80, 800245), (100, 640196), (200, 320098), (400, 160049)]