28151600

素因数分解:

$2^4\times 5^2\times {\mathrm{70379}}^1$

素因数の和:70397

約数の個数: 30

約数和(自身を含む): 67635180

約数和(自身を除く): 39483580

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 70379, 140758, 281516, 351895, 563032, 703790, 1126064, 1407580, 1759475, 2815160, 3518950, 5630320, 7037900, 14075800, 28151600]

約数ペア:

[(1, 28151600), (2, 14075800), (4, 7037900), (5, 5630320), (8, 3518950), (10, 2815160), (16, 1759475), (20, 1407580), (25, 1126064), (40, 703790), (50, 563032), (80, 351895), (100, 281516), (200, 140758), (400, 70379)]