72020800

素因数分解:

$2^6\times 5^2\times {\mathrm{45013}}^1$

素因数の和:45035

約数の個数: 42

約数和(自身を含む): 177220118

約数和(自身を除く): 105199318

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 45013, 90026, 180052, 225065, 360104, 450130, 720208, 900260, 1125325, 1440416, 1800520, 2250650, 2880832, 3601040, 4501300, 7202080, 9002600, 14404160, 18005200, 36010400, 72020800]

約数ペア:

[(1, 72020800), (2, 36010400), (4, 18005200), (5, 14404160), (8, 9002600), (10, 7202080), (16, 4501300), (20, 3601040), (25, 2880832), (32, 2250650), (40, 1800520), (50, 1440416), (64, 1125325), (80, 900260), (100, 720208), (160, 450130), (200, 360104), (320, 225065), (400, 180052), (800, 90026), (1600, 45013)]