212252560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1607}}^1$

素因数の和:1760

約数の個数: 80

約数和(自身を含む): 535965696

約数和(自身を除く): 323713136

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 127, 130, 208, 254, 260, 508, 520, 635, 1016, 1040, 1270, 1607, 1651, 2032, 2540, 3214, 3302, 5080, 6428, 6604, 8035, 8255, 10160, 12856, 13208, 16070, 16510, 20891, 25712, 26416, 32140, 33020, 41782, 64280, 66040, 83564, 104455, 128560, 132080, 167128, 204089, 208910, 334256, 408178, 417820, 816356, 835640, 1020445, 1632712, 1671280, 2040890, 2653157, 3265424, 4081780, 5306314, 8163560, 10612628, 13265785, 16327120, 21225256, 26531570, 42450512, 53063140, 106126280, 212252560]

約数ペア:

[(1, 212252560), (2, 106126280), (4, 53063140), (5, 42450512), (8, 26531570), (10, 21225256), (13, 16327120), (16, 13265785), (20, 10612628), (26, 8163560), (40, 5306314), (52, 4081780), (65, 3265424), (80, 2653157), (104, 2040890), (127, 1671280), (130, 1632712), (208, 1020445), (254, 835640), (260, 816356), (508, 417820), (520, 408178), (635, 334256), (1016, 208910), (1040, 204089), (1270, 167128), (1607, 132080), (1651, 128560), (2032, 104455), (2540, 83564), (3214, 66040), (3302, 64280), (5080, 41782), (6428, 33020), (6604, 32140), (8035, 26416), (8255, 25712), (10160, 20891), (12856, 16510), (13208, 16070)]