7551440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:216

約数の個数: 80

約数和(自身を含む): 19405008

約数和(自身を除く): 11853568

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 53, 65, 80, 104, 106, 130, 137, 208, 212, 260, 265, 274, 424, 520, 530, 548, 685, 689, 848, 1040, 1060, 1096, 1370, 1378, 1781, 2120, 2192, 2740, 2756, 3445, 3562, 4240, 5480, 5512, 6890, 7124, 7261, 8905, 10960, 11024, 13780, 14248, 14522, 17810, 27560, 28496, 29044, 35620, 36305, 55120, 58088, 71240, 72610, 94393, 116176, 142480, 145220, 188786, 290440, 377572, 471965, 580880, 755144, 943930, 1510288, 1887860, 3775720, 7551440]

約数ペア:

[(1, 7551440), (2, 3775720), (4, 1887860), (5, 1510288), (8, 943930), (10, 755144), (13, 580880), (16, 471965), (20, 377572), (26, 290440), (40, 188786), (52, 145220), (53, 142480), (65, 116176), (80, 94393), (104, 72610), (106, 71240), (130, 58088), (137, 55120), (208, 36305), (212, 35620), (260, 29044), (265, 28496), (274, 27560), (424, 17810), (520, 14522), (530, 14248), (548, 13780), (685, 11024), (689, 10960), (848, 8905), (1040, 7261), (1060, 7124), (1096, 6890), (1370, 5512), (1378, 5480), (1781, 4240), (2120, 3562), (2192, 3445), (2740, 2756)]