2480180

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{461}}^1$

素因数の和:739

約数の個数: 24

約数和(自身を含む): 5239080

約数和(自身を除く): 2758900

約数列:

[1, 2, 4, 5, 10, 20, 269, 461, 538, 922, 1076, 1345, 1844, 2305, 2690, 4610, 5380, 9220, 124009, 248018, 496036, 620045, 1240090, 2480180]

約数ペア:

[(1, 2480180), (2, 1240090), (4, 620045), (5, 496036), (10, 248018), (20, 124009), (269, 9220), (461, 5380), (538, 4610), (922, 2690), (1076, 2305), (1345, 1844)]