82255580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{4201}}^1$

素因数の和:4310

約数の個数: 48

約数和(自身を含む): 190602720

約数和(自身を除く): 108347140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1780, 1958, 3916, 4201, 4895, 8402, 9790, 16804, 19580, 21005, 42010, 46211, 84020, 92422, 184844, 231055, 373889, 462110, 747778, 924220, 1495556, 1869445, 3738890, 4112779, 7477780, 8225558, 16451116, 20563895, 41127790, 82255580]

約数ペア:

[(1, 82255580), (2, 41127790), (4, 20563895), (5, 16451116), (10, 8225558), (11, 7477780), (20, 4112779), (22, 3738890), (44, 1869445), (55, 1495556), (89, 924220), (110, 747778), (178, 462110), (220, 373889), (356, 231055), (445, 184844), (890, 92422), (979, 84020), (1780, 46211), (1958, 42010), (3916, 21005), (4201, 19580), (4895, 16804), (8402, 9790)]