71763640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{138007}}^1$

素因数の和:138031

約数の個数: 32

約数和(自身を含む): 173890080

約数和(自身を除く): 102126440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 138007, 276014, 552028, 690035, 1104056, 1380070, 1794091, 2760140, 3588182, 5520280, 7176364, 8970455, 14352728, 17940910, 35881820, 71763640]

約数ペア:

[(1, 71763640), (2, 35881820), (4, 17940910), (5, 14352728), (8, 8970455), (10, 7176364), (13, 5520280), (20, 3588182), (26, 2760140), (40, 1794091), (52, 1380070), (65, 1104056), (104, 690035), (130, 552028), (260, 276014), (520, 138007)]