122128760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{234863}}^1$

素因数の和:234887

約数の個数: 32

約数和(自身を含む): 295928640

約数和(自身を除く): 173799880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 234863, 469726, 939452, 1174315, 1878904, 2348630, 3053219, 4697260, 6106438, 9394520, 12212876, 15266095, 24425752, 30532190, 61064380, 122128760]

約数ペア:

[(1, 122128760), (2, 61064380), (4, 30532190), (5, 24425752), (8, 15266095), (10, 12212876), (13, 9394520), (20, 6106438), (26, 4697260), (40, 3053219), (52, 2348630), (65, 1878904), (104, 1174315), (130, 939452), (260, 469726), (520, 234863)]