81929540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53201}}^1$

素因数の和:53228

約数の個数: 48

約数和(自身を含む): 214510464

約数和(自身を除く): 132580924

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 53201, 106402, 212804, 266005, 372407, 532010, 585211, 744814, 1064020, 1170422, 1489628, 1862035, 2340844, 2926055, 3724070, 4096477, 5852110, 7448140, 8192954, 11704220, 16385908, 20482385, 40964770, 81929540]

約数ペア:

[(1, 81929540), (2, 40964770), (4, 20482385), (5, 16385908), (7, 11704220), (10, 8192954), (11, 7448140), (14, 5852110), (20, 4096477), (22, 3724070), (28, 2926055), (35, 2340844), (44, 1862035), (55, 1489628), (70, 1170422), (77, 1064020), (110, 744814), (140, 585211), (154, 532010), (220, 372407), (308, 266005), (385, 212804), (770, 106402), (1540, 53201)]