56564560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{397}}^1$

素因数の和:560

約数の個数: 80

約数和(自身を含む): 143022096

約数和(自身を除く): 86457536

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 137, 208, 260, 274, 397, 520, 548, 685, 794, 1040, 1096, 1370, 1588, 1781, 1985, 2192, 2740, 3176, 3562, 3970, 5161, 5480, 6352, 7124, 7940, 8905, 10322, 10960, 14248, 15880, 17810, 20644, 25805, 28496, 31760, 35620, 41288, 51610, 54389, 71240, 82576, 103220, 108778, 142480, 206440, 217556, 271945, 412880, 435112, 543890, 707057, 870224, 1087780, 1414114, 2175560, 2828228, 3535285, 4351120, 5656456, 7070570, 11312912, 14141140, 28282280, 56564560]

約数ペア:

[(1, 56564560), (2, 28282280), (4, 14141140), (5, 11312912), (8, 7070570), (10, 5656456), (13, 4351120), (16, 3535285), (20, 2828228), (26, 2175560), (40, 1414114), (52, 1087780), (65, 870224), (80, 707057), (104, 543890), (130, 435112), (137, 412880), (208, 271945), (260, 217556), (274, 206440), (397, 142480), (520, 108778), (548, 103220), (685, 82576), (794, 71240), (1040, 54389), (1096, 51610), (1370, 41288), (1588, 35620), (1781, 31760), (1985, 28496), (2192, 25805), (2740, 20644), (3176, 17810), (3562, 15880), (3970, 14248), (5161, 10960), (5480, 10322), (6352, 8905), (7124, 7940)]