210441040

素因数分解:

$2^4\times 5^1\times {\mathrm{643}}^1\times {\mathrm{4091}}^1$

素因数の和:4747

約数の個数: 40

約数和(自身を含む): 490156128

約数和(自身を除く): 279715088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 643, 1286, 2572, 3215, 4091, 5144, 6430, 8182, 10288, 12860, 16364, 20455, 25720, 32728, 40910, 51440, 65456, 81820, 163640, 327280, 2630513, 5261026, 10522052, 13152565, 21044104, 26305130, 42088208, 52610260, 105220520, 210441040]

約数ペア:

[(1, 210441040), (2, 105220520), (4, 52610260), (5, 42088208), (8, 26305130), (10, 21044104), (16, 13152565), (20, 10522052), (40, 5261026), (80, 2630513), (643, 327280), (1286, 163640), (2572, 81820), (3215, 65456), (4091, 51440), (5144, 40910), (6430, 32728), (8182, 25720), (10288, 20455), (12860, 16364)]