12406400

素因数分解:

$2^7\times 5^2\times {\mathrm{3877}}^1$

素因数の和:3901

約数の個数: 48

約数和(自身を含む): 30655590

約数和(自身を除く): 18249190

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 3877, 7754, 15508, 19385, 31016, 38770, 62032, 77540, 96925, 124064, 155080, 193850, 248128, 310160, 387700, 496256, 620320, 775400, 1240640, 1550800, 2481280, 3101600, 6203200, 12406400]

約数ペア:

[(1, 12406400), (2, 6203200), (4, 3101600), (5, 2481280), (8, 1550800), (10, 1240640), (16, 775400), (20, 620320), (25, 496256), (32, 387700), (40, 310160), (50, 248128), (64, 193850), (80, 155080), (100, 124064), (128, 96925), (160, 77540), (200, 62032), (320, 38770), (400, 31016), (640, 19385), (800, 15508), (1600, 7754), (3200, 3877)]