54240680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{104309}}^1$

素因数の和:104333

約数の個数: 32

約数和(自身を含む): 131430600

約数和(自身を除く): 77189920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 104309, 208618, 417236, 521545, 834472, 1043090, 1356017, 2086180, 2712034, 4172360, 5424068, 6780085, 10848136, 13560170, 27120340, 54240680]

約数ペア:

[(1, 54240680), (2, 27120340), (4, 13560170), (5, 10848136), (8, 6780085), (10, 5424068), (13, 4172360), (20, 2712034), (26, 2086180), (40, 1356017), (52, 1043090), (65, 834472), (104, 521545), (130, 417236), (260, 208618), (520, 104309)]