64741760

素因数分解:

$2^7\times 5^1\times {\mathrm{101159}}^1$

素因数の和:101178

約数の個数: 32

約数和(自身を含む): 154774800

約数和(自身を除く): 90033040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 101159, 202318, 404636, 505795, 809272, 1011590, 1618544, 2023180, 3237088, 4046360, 6474176, 8092720, 12948352, 16185440, 32370880, 64741760]

約数ペア:

[(1, 64741760), (2, 32370880), (4, 16185440), (5, 12948352), (8, 8092720), (10, 6474176), (16, 4046360), (20, 3237088), (32, 2023180), (40, 1618544), (64, 1011590), (80, 809272), (128, 505795), (160, 404636), (320, 202318), (640, 101159)]