82480520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2647}}^1$

素因数の和:2718

約数の個数: 64

約数和(自身を含む): 200188800

約数和(自身を除く): 117708280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 95, 152, 164, 190, 205, 328, 380, 410, 760, 779, 820, 1558, 1640, 2647, 3116, 3895, 5294, 6232, 7790, 10588, 13235, 15580, 21176, 26470, 31160, 50293, 52940, 100586, 105880, 108527, 201172, 217054, 251465, 402344, 434108, 502930, 542635, 868216, 1005860, 1085270, 2011720, 2062013, 2170540, 4124026, 4341080, 8248052, 10310065, 16496104, 20620130, 41240260, 82480520]

約数ペア:

[(1, 82480520), (2, 41240260), (4, 20620130), (5, 16496104), (8, 10310065), (10, 8248052), (19, 4341080), (20, 4124026), (38, 2170540), (40, 2062013), (41, 2011720), (76, 1085270), (82, 1005860), (95, 868216), (152, 542635), (164, 502930), (190, 434108), (205, 402344), (328, 251465), (380, 217054), (410, 201172), (760, 108527), (779, 105880), (820, 100586), (1558, 52940), (1640, 50293), (2647, 31160), (3116, 26470), (3895, 21176), (5294, 15580), (6232, 13235), (7790, 10588)]