53521040

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{7517}}^1$

素因数の和:7619

約数の個数: 40

約数和(自身を含む): 125851320

約数和(自身を除く): 72330280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 7517, 15034, 30068, 37585, 60136, 75170, 120272, 150340, 300680, 601360, 669013, 1338026, 2676052, 3345065, 5352104, 6690130, 10704208, 13380260, 26760520, 53521040]

約数ペア:

[(1, 53521040), (2, 26760520), (4, 13380260), (5, 10704208), (8, 6690130), (10, 5352104), (16, 3345065), (20, 2676052), (40, 1338026), (80, 669013), (89, 601360), (178, 300680), (356, 150340), (445, 120272), (712, 75170), (890, 60136), (1424, 37585), (1780, 30068), (3560, 15034), (7120, 7517)]