127027420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{488567}}^1$

素因数の和:488589

約数の個数: 24

約数和(自身を含む): 287277984

約数和(自身を除く): 160250564

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 488567, 977134, 1954268, 2442835, 4885670, 6351371, 9771340, 12702742, 25405484, 31756855, 63513710, 127027420]

約数ペア:

[(1, 127027420), (2, 63513710), (4, 31756855), (5, 25405484), (10, 12702742), (13, 9771340), (20, 6351371), (26, 4885670), (52, 2442835), (65, 1954268), (130, 977134), (260, 488567)]