127931600

素因数分解:

$2^4\times 5^2\times {\mathrm{319829}}^1$

素因数の和:319847

約数の個数: 30

約数和(自身を含む): 307356630

約数和(自身を除く): 179425030

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 319829, 639658, 1279316, 1599145, 2558632, 3198290, 5117264, 6396580, 7995725, 12793160, 15991450, 25586320, 31982900, 63965800, 127931600]

約数ペア:

[(1, 127931600), (2, 63965800), (4, 31982900), (5, 25586320), (8, 15991450), (10, 12793160), (16, 7995725), (20, 6396580), (25, 5117264), (40, 3198290), (50, 2558632), (80, 1599145), (100, 1279316), (200, 639658), (400, 319829)]