80644960

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{45821}}^1$

素因数の和:45847

約数の個数: 48

約数和(自身を含む): 207848592

約数和(自身を除く): 127203632

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 45821, 91642, 183284, 229105, 366568, 458210, 504031, 733136, 916420, 1008062, 1466272, 1832840, 2016124, 2520155, 3665680, 4032248, 5040310, 7331360, 8064496, 10080620, 16128992, 20161240, 40322480, 80644960]

約数ペア:

[(1, 80644960), (2, 40322480), (4, 20161240), (5, 16128992), (8, 10080620), (10, 8064496), (11, 7331360), (16, 5040310), (20, 4032248), (22, 3665680), (32, 2520155), (40, 2016124), (44, 1832840), (55, 1466272), (80, 1008062), (88, 916420), (110, 733136), (160, 504031), (176, 458210), (220, 366568), (352, 229105), (440, 183284), (880, 91642), (1760, 45821)]