201497720

素因数分解:

$2^3\times 5^1\times {\mathrm{1051}}^1\times {\mathrm{4793}}^1$

素因数の和:5855

約数の個数: 32

約数和(自身を含む): 453895920

約数和(自身を除く): 252398200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1051, 2102, 4204, 4793, 5255, 8408, 9586, 10510, 19172, 21020, 23965, 38344, 42040, 47930, 95860, 191720, 5037443, 10074886, 20149772, 25187215, 40299544, 50374430, 100748860, 201497720]

約数ペア:

[(1, 201497720), (2, 100748860), (4, 50374430), (5, 40299544), (8, 25187215), (10, 20149772), (20, 10074886), (40, 5037443), (1051, 191720), (2102, 95860), (4204, 47930), (4793, 42040), (5255, 38344), (8408, 23965), (9586, 21020), (10510, 19172)]