26760520

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{7517}}^1$

素因数の和:7617

約数の個数: 32

約数和(自身を含む): 60895800

約数和(自身を除く): 34135280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 7517, 15034, 30068, 37585, 60136, 75170, 150340, 300680, 669013, 1338026, 2676052, 3345065, 5352104, 6690130, 13380260, 26760520]

約数ペア:

[(1, 26760520), (2, 13380260), (4, 6690130), (5, 5352104), (8, 3345065), (10, 2676052), (20, 1338026), (40, 669013), (89, 300680), (178, 150340), (356, 75170), (445, 60136), (712, 37585), (890, 30068), (1780, 15034), (3560, 7517)]