87356680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{839}}^1$

素因数の和:1006

約数の個数: 64

約数和(自身を含む): 208656000

約数和(自身を除く): 121299320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 137, 152, 190, 274, 380, 548, 685, 760, 839, 1096, 1370, 1678, 2603, 2740, 3356, 4195, 5206, 5480, 6712, 8390, 10412, 13015, 15941, 16780, 20824, 26030, 31882, 33560, 52060, 63764, 79705, 104120, 114943, 127528, 159410, 229886, 318820, 459772, 574715, 637640, 919544, 1149430, 2183917, 2298860, 4367834, 4597720, 8735668, 10919585, 17471336, 21839170, 43678340, 87356680]

約数ペア:

[(1, 87356680), (2, 43678340), (4, 21839170), (5, 17471336), (8, 10919585), (10, 8735668), (19, 4597720), (20, 4367834), (38, 2298860), (40, 2183917), (76, 1149430), (95, 919544), (137, 637640), (152, 574715), (190, 459772), (274, 318820), (380, 229886), (548, 159410), (685, 127528), (760, 114943), (839, 104120), (1096, 79705), (1370, 63764), (1678, 52060), (2603, 33560), (2740, 31882), (3356, 26030), (4195, 20824), (5206, 16780), (5480, 15941), (6712, 13015), (8390, 10412)]