38387440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5273}}^1$

素因数の和:5306

約数の個数: 80

約数和(自身を含む): 109867968

約数和(自身を除く): 71480528

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 5273, 7280, 10546, 21092, 26365, 36911, 42184, 52730, 68549, 73822, 84368, 105460, 137098, 147644, 184555, 210920, 274196, 295288, 342745, 369110, 421840, 479843, 548392, 590576, 685490, 738220, 959686, 1096784, 1370980, 1476440, 1919372, 2399215, 2741960, 2952880, 3838744, 4798430, 5483920, 7677488, 9596860, 19193720, 38387440]

約数ペア:

[(1, 38387440), (2, 19193720), (4, 9596860), (5, 7677488), (7, 5483920), (8, 4798430), (10, 3838744), (13, 2952880), (14, 2741960), (16, 2399215), (20, 1919372), (26, 1476440), (28, 1370980), (35, 1096784), (40, 959686), (52, 738220), (56, 685490), (65, 590576), (70, 548392), (80, 479843), (91, 421840), (104, 369110), (112, 342745), (130, 295288), (140, 274196), (182, 210920), (208, 184555), (260, 147644), (280, 137098), (364, 105460), (455, 84368), (520, 73822), (560, 68549), (728, 52730), (910, 42184), (1040, 36911), (1456, 26365), (1820, 21092), (3640, 10546), (5273, 7280)]