56278720

素因数分解:

$2^6\times 5^1\times {\mathrm{397}}^1\times {\mathrm{443}}^1$

素因数の和:857

約数の個数: 56

約数和(自身を含む): 134654544

約数和(自身を除く): 78375824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 397, 443, 794, 886, 1588, 1772, 1985, 2215, 3176, 3544, 3970, 4430, 6352, 7088, 7940, 8860, 12704, 14176, 15880, 17720, 25408, 28352, 31760, 35440, 63520, 70880, 127040, 141760, 175871, 351742, 703484, 879355, 1406968, 1758710, 2813936, 3517420, 5627872, 7034840, 11255744, 14069680, 28139360, 56278720]

約数ペア:

[(1, 56278720), (2, 28139360), (4, 14069680), (5, 11255744), (8, 7034840), (10, 5627872), (16, 3517420), (20, 2813936), (32, 1758710), (40, 1406968), (64, 879355), (80, 703484), (160, 351742), (320, 175871), (397, 141760), (443, 127040), (794, 70880), (886, 63520), (1588, 35440), (1772, 31760), (1985, 28352), (2215, 25408), (3176, 17720), (3544, 15880), (3970, 14176), (4430, 12704), (6352, 8860), (7088, 7940)]