77936560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{547}}^1$

素因数の和:710

約数の個数: 80

約数和(自身を含む): 196924896

約数和(自身を除く): 118988336

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 137, 208, 260, 274, 520, 547, 548, 685, 1040, 1094, 1096, 1370, 1781, 2188, 2192, 2735, 2740, 3562, 4376, 5470, 5480, 7111, 7124, 8752, 8905, 10940, 10960, 14222, 14248, 17810, 21880, 28444, 28496, 35555, 35620, 43760, 56888, 71110, 71240, 74939, 113776, 142220, 142480, 149878, 284440, 299756, 374695, 568880, 599512, 749390, 974207, 1199024, 1498780, 1948414, 2997560, 3896828, 4871035, 5995120, 7793656, 9742070, 15587312, 19484140, 38968280, 77936560]

約数ペア:

[(1, 77936560), (2, 38968280), (4, 19484140), (5, 15587312), (8, 9742070), (10, 7793656), (13, 5995120), (16, 4871035), (20, 3896828), (26, 2997560), (40, 1948414), (52, 1498780), (65, 1199024), (80, 974207), (104, 749390), (130, 599512), (137, 568880), (208, 374695), (260, 299756), (274, 284440), (520, 149878), (547, 142480), (548, 142220), (685, 113776), (1040, 74939), (1094, 71240), (1096, 71110), (1370, 56888), (1781, 43760), (2188, 35620), (2192, 35555), (2735, 28496), (2740, 28444), (3562, 21880), (4376, 17810), (5470, 14248), (5480, 14222), (7111, 10960), (7124, 10940), (8752, 8905)]