78334240

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{5501}}^1$

素因数の和:5605

約数の個数: 48

約数和(自身を含む): 187178040

約数和(自身を除く): 108843800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1424, 1780, 2848, 3560, 5501, 7120, 11002, 14240, 22004, 27505, 44008, 55010, 88016, 110020, 176032, 220040, 440080, 489589, 880160, 979178, 1958356, 2447945, 3916712, 4895890, 7833424, 9791780, 15666848, 19583560, 39167120, 78334240]

約数ペア:

[(1, 78334240), (2, 39167120), (4, 19583560), (5, 15666848), (8, 9791780), (10, 7833424), (16, 4895890), (20, 3916712), (32, 2447945), (40, 1958356), (80, 979178), (89, 880160), (160, 489589), (178, 440080), (356, 220040), (445, 176032), (712, 110020), (890, 88016), (1424, 55010), (1780, 44008), (2848, 27505), (3560, 22004), (5501, 14240), (7120, 11002)]