82881040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4957}}^1$

素因数の和:5000

約数の個数: 80

約数和(自身を含む): 221325120

約数和(自身を除く): 138444080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 4180, 4957, 8360, 9914, 16720, 19828, 24785, 39656, 49570, 54527, 79312, 94183, 99140, 109054, 188366, 198280, 218108, 272635, 376732, 396560, 436216, 470915, 545270, 753464, 872432, 941830, 1036013, 1090540, 1506928, 1883660, 2072026, 2181080, 3767320, 4144052, 4362160, 5180065, 7534640, 8288104, 10360130, 16576208, 20720260, 41440520, 82881040]

約数ペア:

[(1, 82881040), (2, 41440520), (4, 20720260), (5, 16576208), (8, 10360130), (10, 8288104), (11, 7534640), (16, 5180065), (19, 4362160), (20, 4144052), (22, 3767320), (38, 2181080), (40, 2072026), (44, 1883660), (55, 1506928), (76, 1090540), (80, 1036013), (88, 941830), (95, 872432), (110, 753464), (152, 545270), (176, 470915), (190, 436216), (209, 396560), (220, 376732), (304, 272635), (380, 218108), (418, 198280), (440, 188366), (760, 109054), (836, 99140), (880, 94183), (1045, 79312), (1520, 54527), (1672, 49570), (2090, 39656), (3344, 24785), (4180, 19828), (4957, 16720), (8360, 9914)]