80457600220

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{45200899}}^1$

素因数の和:45200997

約数の個数: 24

約数和(自身を含む): 170859402000

約数和(自身を除く): 90401801780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 45200899, 90401798, 180803596, 226004495, 452008990, 904017980, 4022880011, 8045760022, 16091520044, 20114400055, 40228800110, 80457600220]

約数ペア:

[(1, 80457600220), (2, 40228800110), (4, 20114400055), (5, 16091520044), (10, 8045760022), (20, 4022880011), (89, 904017980), (178, 452008990), (356, 226004495), (445, 180803596), (890, 90401798), (1780, 45200899)]