80206240

素因数分解:

$2^5\times 5^1\times {\mathrm{569}}^1\times {\mathrm{881}}^1$

素因数の和:1465

約数の個数: 48

約数和(自身を含む): 190035720

約数和(自身を除く): 109829480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 569, 881, 1138, 1762, 2276, 2845, 3524, 4405, 4552, 5690, 7048, 8810, 9104, 11380, 14096, 17620, 18208, 22760, 28192, 35240, 45520, 70480, 91040, 140960, 501289, 1002578, 2005156, 2506445, 4010312, 5012890, 8020624, 10025780, 16041248, 20051560, 40103120, 80206240]

約数ペア:

[(1, 80206240), (2, 40103120), (4, 20051560), (5, 16041248), (8, 10025780), (10, 8020624), (16, 5012890), (20, 4010312), (32, 2506445), (40, 2005156), (80, 1002578), (160, 501289), (569, 140960), (881, 91040), (1138, 70480), (1762, 45520), (2276, 35240), (2845, 28192), (3524, 22760), (4405, 18208), (4552, 17620), (5690, 14096), (7048, 11380), (8810, 9104)]