209898016840

素因数分解:

$2^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{10432307}}^1$

素因数の和:10432821

約数の個数: 32

約数和(自身を含む): 473209490880

約数和(自身を除く): 263311474040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503, 1006, 2012, 2515, 4024, 5030, 10060, 20120, 10432307, 20864614, 41729228, 52161535, 83458456, 104323070, 208646140, 417292280, 5247450421, 10494900842, 20989801684, 26237252105, 41979603368, 52474504210, 104949008420, 209898016840]

約数ペア:

[(1, 209898016840), (2, 104949008420), (4, 52474504210), (5, 41979603368), (8, 26237252105), (10, 20989801684), (20, 10494900842), (40, 5247450421), (503, 417292280), (1006, 208646140), (2012, 104323070), (2515, 83458456), (4024, 52161535), (5030, 41729228), (10060, 20864614), (20120, 10432307)]