64749760

素因数分解:

$2^6\times 5^1\times {\mathrm{202343}}^1$

素因数の和:202360

約数の個数: 28

約数和(自身を含む): 154186128

約数和(自身を除く): 89436368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 202343, 404686, 809372, 1011715, 1618744, 2023430, 3237488, 4046860, 6474976, 8093720, 12949952, 16187440, 32374880, 64749760]

約数ペア:

[(1, 64749760), (2, 32374880), (4, 16187440), (5, 12949952), (8, 8093720), (10, 6474976), (16, 4046860), (20, 3237488), (32, 2023430), (40, 1618744), (64, 1011715), (80, 809372), (160, 404686), (320, 202343)]