73903960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{142123}}^1$

素因数の和:142147

約数の個数: 32

約数和(自身を含む): 179076240

約数和(自身を除く): 105172280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 142123, 284246, 568492, 710615, 1136984, 1421230, 1847599, 2842460, 3695198, 5684920, 7390396, 9237995, 14780792, 18475990, 36951980, 73903960]

約数ペア:

[(1, 73903960), (2, 36951980), (4, 18475990), (5, 14780792), (8, 9237995), (10, 7390396), (13, 5684920), (20, 3695198), (26, 2842460), (40, 1847599), (52, 1421230), (65, 1136984), (104, 710615), (130, 568492), (260, 284246), (520, 142123)]