128244220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{13331}}^1$

素因数の和:13390

約数の個数: 48

約数和(自身を含む): 297890208

約数和(自身を除く): 169645988

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 4810, 9620, 13331, 26662, 53324, 66655, 133310, 173303, 266620, 346606, 493247, 693212, 866515, 986494, 1733030, 1972988, 2466235, 3466060, 4932470, 6412211, 9864940, 12824422, 25648844, 32061055, 64122110, 128244220]

約数ペア:

[(1, 128244220), (2, 64122110), (4, 32061055), (5, 25648844), (10, 12824422), (13, 9864940), (20, 6412211), (26, 4932470), (37, 3466060), (52, 2466235), (65, 1972988), (74, 1733030), (130, 986494), (148, 866515), (185, 693212), (260, 493247), (370, 346606), (481, 266620), (740, 173303), (962, 133310), (1924, 66655), (2405, 53324), (4810, 26662), (9620, 13331)]