51140180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28099}}^1$

素因数の和:28128

約数の個数: 48

約数和(自身を含む): 132182400

約数和(自身を除く): 81042220

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 28099, 56198, 112396, 140495, 196693, 280990, 365287, 393386, 561980, 730574, 786772, 983465, 1461148, 1826435, 1966930, 2557009, 3652870, 3933860, 5114018, 7305740, 10228036, 12785045, 25570090, 51140180]

約数ペア:

[(1, 51140180), (2, 25570090), (4, 12785045), (5, 10228036), (7, 7305740), (10, 5114018), (13, 3933860), (14, 3652870), (20, 2557009), (26, 1966930), (28, 1826435), (35, 1461148), (52, 983465), (65, 786772), (70, 730574), (91, 561980), (130, 393386), (140, 365287), (182, 280990), (260, 196693), (364, 140495), (455, 112396), (910, 56198), (1820, 28099)]