4788400

素因数分解:

$2^4\times 5^2\times {\mathrm{11971}}^1$

素因数の和:11989

約数の個数: 30

約数和(自身を含む): 11505092

約数和(自身を除く): 6716692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 11971, 23942, 47884, 59855, 95768, 119710, 191536, 239420, 299275, 478840, 598550, 957680, 1197100, 2394200, 4788400]

約数ペア:

[(1, 4788400), (2, 2394200), (4, 1197100), (5, 957680), (8, 598550), (10, 478840), (16, 299275), (20, 239420), (25, 191536), (40, 119710), (50, 95768), (80, 59855), (100, 47884), (200, 23942), (400, 11971)]