42520280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2357}}^1$

素因数の和:2420

約数の個数: 64

約数和(自身を含む): 106958880

約数和(自身を除く): 64438600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 205, 220, 328, 410, 440, 451, 820, 902, 1640, 1804, 2255, 2357, 3608, 4510, 4714, 9020, 9428, 11785, 18040, 18856, 23570, 25927, 47140, 51854, 94280, 96637, 103708, 129635, 193274, 207416, 259270, 386548, 483185, 518540, 773096, 966370, 1037080, 1063007, 1932740, 2126014, 3865480, 4252028, 5315035, 8504056, 10630070, 21260140, 42520280]

約数ペア:

[(1, 42520280), (2, 21260140), (4, 10630070), (5, 8504056), (8, 5315035), (10, 4252028), (11, 3865480), (20, 2126014), (22, 1932740), (40, 1063007), (41, 1037080), (44, 966370), (55, 773096), (82, 518540), (88, 483185), (110, 386548), (164, 259270), (205, 207416), (220, 193274), (328, 129635), (410, 103708), (440, 96637), (451, 94280), (820, 51854), (902, 47140), (1640, 25927), (1804, 23570), (2255, 18856), (2357, 18040), (3608, 11785), (4510, 9428), (4714, 9020)]