80628680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{183247}}^1$

素因数の和:183269

約数の個数: 32

約数和(自身を含む): 197907840

約数和(自身を除く): 117279160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 183247, 366494, 732988, 916235, 1465976, 1832470, 2015717, 3664940, 4031434, 7329880, 8062868, 10078585, 16125736, 20157170, 40314340, 80628680]

約数ペア:

[(1, 80628680), (2, 40314340), (4, 20157170), (5, 16125736), (8, 10078585), (10, 8062868), (11, 7329880), (20, 4031434), (22, 3664940), (40, 2015717), (44, 1832470), (55, 1465976), (88, 916235), (110, 732988), (220, 366494), (440, 183247)]