1640908060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1951}}^1\times {\mathrm{3823}}^1$

素因数の和:5794

約数の個数: 48

約数和(自身を含む): 3762081792

約数和(自身を除く): 2121173732

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1951, 3823, 3902, 7646, 7804, 9755, 15292, 19115, 19510, 21461, 38230, 39020, 42053, 42922, 76460, 84106, 85844, 107305, 168212, 210265, 214610, 420530, 429220, 841060, 7458673, 14917346, 29834692, 37293365, 74586730, 82045403, 149173460, 164090806, 328181612, 410227015, 820454030, 1640908060]

約数ペア:

[(1, 1640908060), (2, 820454030), (4, 410227015), (5, 328181612), (10, 164090806), (11, 149173460), (20, 82045403), (22, 74586730), (44, 37293365), (55, 29834692), (110, 14917346), (220, 7458673), (1951, 841060), (3823, 429220), (3902, 420530), (7646, 214610), (7804, 210265), (9755, 168212), (15292, 107305), (19115, 85844), (19510, 84106), (21461, 76460), (38230, 42922), (39020, 42053)]