28715600

素因数分解:

$2^4\times 5^2\times {\mathrm{71789}}^1$

素因数の和:71807

約数の個数: 30

約数和(自身を含む): 68990190

約数和(自身を除く): 40274590

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 71789, 143578, 287156, 358945, 574312, 717890, 1148624, 1435780, 1794725, 2871560, 3589450, 5743120, 7178900, 14357800, 28715600]

約数ペア:

[(1, 28715600), (2, 14357800), (4, 7178900), (5, 5743120), (8, 3589450), (10, 2871560), (16, 1794725), (20, 1435780), (25, 1148624), (40, 717890), (50, 574312), (80, 358945), (100, 287156), (200, 143578), (400, 71789)]