1988884160

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{144541}}^1$

素因数の和:144601

約数の個数: 56

約数和(自身を含む): 4846204176

約数和(自身を除く): 2857320016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 160, 172, 215, 320, 344, 430, 688, 860, 1376, 1720, 2752, 3440, 6880, 13760, 144541, 289082, 578164, 722705, 1156328, 1445410, 2312656, 2890820, 4625312, 5781640, 6215263, 9250624, 11563280, 12430526, 23126560, 24861052, 31076315, 46253120, 49722104, 62152630, 99444208, 124305260, 198888416, 248610520, 397776832, 497221040, 994442080, 1988884160]

約数ペア:

[(1, 1988884160), (2, 994442080), (4, 497221040), (5, 397776832), (8, 248610520), (10, 198888416), (16, 124305260), (20, 99444208), (32, 62152630), (40, 49722104), (43, 46253120), (64, 31076315), (80, 24861052), (86, 23126560), (160, 12430526), (172, 11563280), (215, 9250624), (320, 6215263), (344, 5781640), (430, 4625312), (688, 2890820), (860, 2312656), (1376, 1445410), (1720, 1156328), (2752, 722705), (3440, 578164), (6880, 289082), (13760, 144541)]