839896720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{6359}}^1$

素因数の和:6512

約数の個数: 80

約数和(自身を含む): 2119864320

約数和(自身を除く): 1279967600

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, 1651, 2032, 2540, 3302, 5080, 6359, 6604, 8255, 10160, 12718, 13208, 16510, 25436, 26416, 31795, 33020, 50872, 63590, 66040, 82667, 101744, 127180, 132080, 165334, 254360, 330668, 413335, 508720, 661336, 807593, 826670, 1322672, 1615186, 1653340, 3230372, 3306680, 4037965, 6460744, 6613360, 8075930, 10498709, 12921488, 16151860, 20997418, 32303720, 41994836, 52493545, 64607440, 83989672, 104987090, 167979344, 209974180, 419948360, 839896720]

約数ペア:

[(1, 839896720), (2, 419948360), (4, 209974180), (5, 167979344), (8, 104987090), (10, 83989672), (13, 64607440), (16, 52493545), (20, 41994836), (26, 32303720), (40, 20997418), (52, 16151860), (65, 12921488), (80, 10498709), (104, 8075930), (127, 6613360), (130, 6460744), (208, 4037965), (254, 3306680), (260, 3230372), (508, 1653340), (520, 1615186), (635, 1322672), (1016, 826670), (1040, 807593), (1270, 661336), (1651, 508720), (2032, 413335), (2540, 330668), (3302, 254360), (5080, 165334), (6359, 132080), (6604, 127180), (8255, 101744), (10160, 82667), (12718, 66040), (13208, 63590), (16510, 50872), (25436, 33020), (26416, 31795)]