55113440

素因数分解:

$2^5\times 5^1\times {\mathrm{401}}^1\times {\mathrm{859}}^1$

素因数の和:1275

約数の個数: 48

約数和(自身を含む): 130682160

約数和(自身を除く): 75568720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 401, 802, 859, 1604, 1718, 2005, 3208, 3436, 4010, 4295, 6416, 6872, 8020, 8590, 12832, 13744, 16040, 17180, 27488, 32080, 34360, 64160, 68720, 137440, 344459, 688918, 1377836, 1722295, 2755672, 3444590, 5511344, 6889180, 11022688, 13778360, 27556720, 55113440]

約数ペア:

[(1, 55113440), (2, 27556720), (4, 13778360), (5, 11022688), (8, 6889180), (10, 5511344), (16, 3444590), (20, 2755672), (32, 1722295), (40, 1377836), (80, 688918), (160, 344459), (401, 137440), (802, 68720), (859, 64160), (1604, 34360), (1718, 32080), (2005, 27488), (3208, 17180), (3436, 16040), (4010, 13744), (4295, 12832), (6416, 8590), (6872, 8020)]