39994184540

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1\times {\mathrm{70879}}^1$

素因数の和:71294

約数の個数: 48

約数和(自身を含む): 85200595200

約数和(自身を除く): 45206410660

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 317, 356, 445, 634, 890, 1268, 1585, 1780, 3170, 6340, 28213, 56426, 70879, 112852, 141065, 141758, 282130, 283516, 354395, 564260, 708790, 1417580, 6308231, 12616462, 22468643, 25232924, 31541155, 44937286, 63082310, 89874572, 112343215, 126164620, 224686430, 449372860, 1999709227, 3999418454, 7998836908, 9998546135, 19997092270, 39994184540]

約数ペア:

[(1, 39994184540), (2, 19997092270), (4, 9998546135), (5, 7998836908), (10, 3999418454), (20, 1999709227), (89, 449372860), (178, 224686430), (317, 126164620), (356, 112343215), (445, 89874572), (634, 63082310), (890, 44937286), (1268, 31541155), (1585, 25232924), (1780, 22468643), (3170, 12616462), (6340, 6308231), (28213, 1417580), (56426, 708790), (70879, 564260), (112852, 354395), (141065, 283516), (141758, 282130)]