264418634860

素因数分解:

$2^2\times 5^1\times {\mathrm{64217}}^1\times {\mathrm{205879}}^1$

素因数の和:270105

約数の個数: 24

約数和(自身を含む): 555290477280

約数和(自身を除く): 290871842420

約数列:

[1, 2, 4, 5, 10, 20, 64217, 128434, 205879, 256868, 321085, 411758, 642170, 823516, 1029395, 1284340, 2058790, 4117580, 13220931743, 26441863486, 52883726972, 66104658715, 132209317430, 264418634860]

約数ペア:

[(1, 264418634860), (2, 132209317430), (4, 66104658715), (5, 52883726972), (10, 26441863486), (20, 13220931743), (64217, 4117580), (128434, 2058790), (205879, 1284340), (256868, 1029395), (321085, 823516), (411758, 642170)]