26393900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:363

約数の個数: 72

約数和(自身を含む): 62704320

約数和(自身を除く): 36310420

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 79, 100, 130, 158, 257, 260, 316, 325, 395, 514, 650, 790, 1027, 1028, 1285, 1300, 1580, 1975, 2054, 2570, 3341, 3950, 4108, 5135, 5140, 6425, 6682, 7900, 10270, 12850, 13364, 16705, 20303, 20540, 25675, 25700, 33410, 40606, 51350, 66820, 81212, 83525, 101515, 102700, 167050, 203030, 263939, 334100, 406060, 507575, 527878, 1015150, 1055756, 1319695, 2030300, 2639390, 5278780, 6598475, 13196950, 26393900]

約数ペア:

[(1, 26393900), (2, 13196950), (4, 6598475), (5, 5278780), (10, 2639390), (13, 2030300), (20, 1319695), (25, 1055756), (26, 1015150), (50, 527878), (52, 507575), (65, 406060), (79, 334100), (100, 263939), (130, 203030), (158, 167050), (257, 102700), (260, 101515), (316, 83525), (325, 81212), (395, 66820), (514, 51350), (650, 40606), (790, 33410), (1027, 25700), (1028, 25675), (1285, 20540), (1300, 20303), (1580, 16705), (1975, 13364), (2054, 12850), (2570, 10270), (3341, 7900), (3950, 6682), (4108, 6425), (5135, 5140)]