61857520

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{18859}}^1$

素因数の和:18913

約数の個数: 40

約数和(自身を含む): 147334320

約数和(自身を除く): 85476800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 18859, 37718, 75436, 94295, 150872, 188590, 301744, 377180, 754360, 773219, 1508720, 1546438, 3092876, 3866095, 6185752, 7732190, 12371504, 15464380, 30928760, 61857520]

約数ペア:

[(1, 61857520), (2, 30928760), (4, 15464380), (5, 12371504), (8, 7732190), (10, 6185752), (16, 3866095), (20, 3092876), (40, 1546438), (41, 1508720), (80, 773219), (82, 754360), (164, 377180), (205, 301744), (328, 188590), (410, 150872), (656, 94295), (820, 75436), (1640, 37718), (3280, 18859)]