42665675

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{71}}^1$

素因数の和:180

約数の個数: 36

約数和(自身を含む): 59152464

約数和(自身を除く): 16486789

約数列:

[1, 5, 13, 25, 43, 65, 71, 215, 325, 355, 559, 923, 1075, 1775, 1849, 2795, 3053, 4615, 9245, 13975, 15265, 23075, 24037, 39689, 46225, 76325, 120185, 131279, 198445, 600925, 656395, 992225, 1706627, 3281975, 8533135, 42665675]

約数ペア:

[(1, 42665675), (5, 8533135), (13, 3281975), (25, 1706627), (43, 992225), (65, 656395), (71, 600925), (215, 198445), (325, 131279), (355, 120185), (559, 76325), (923, 46225), (1075, 39689), (1775, 24037), (1849, 23075), (2795, 15265), (3053, 13975), (4615, 9245)]