210009705680

素因数分解:

$2^4\times 5^1\times {\mathrm{21727}}^1\times {\mathrm{120823}}^1$

素因数の和:142563

約数の個数: 40

約数和(自身を含む): 488299080192

約数和(自身を除く): 278289374512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 21727, 43454, 86908, 108635, 120823, 173816, 217270, 241646, 347632, 434540, 483292, 604115, 869080, 966584, 1208230, 1738160, 1933168, 2416460, 4832920, 9665840, 2625121321, 5250242642, 10500485284, 13125606605, 21000970568, 26251213210, 42001941136, 52502426420, 105004852840, 210009705680]

約数ペア:

[(1, 210009705680), (2, 105004852840), (4, 52502426420), (5, 42001941136), (8, 26251213210), (10, 21000970568), (16, 13125606605), (20, 10500485284), (40, 5250242642), (80, 2625121321), (21727, 9665840), (43454, 4832920), (86908, 2416460), (108635, 1933168), (120823, 1738160), (173816, 1208230), (217270, 966584), (241646, 869080), (347632, 604115), (434540, 483292)]