53355440

素因数分解:

$2^4\times 5^1\times {\mathrm{673}}^1\times {\mathrm{991}}^1$

素因数の和:1677

約数の個数: 40

約数和(自身を含む): 124361088

約数和(自身を除く): 71005648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 673, 991, 1346, 1982, 2692, 3365, 3964, 4955, 5384, 6730, 7928, 9910, 10768, 13460, 15856, 19820, 26920, 39640, 53840, 79280, 666943, 1333886, 2667772, 3334715, 5335544, 6669430, 10671088, 13338860, 26677720, 53355440]

約数ペア:

[(1, 53355440), (2, 26677720), (4, 13338860), (5, 10671088), (8, 6669430), (10, 5335544), (16, 3334715), (20, 2667772), (40, 1333886), (80, 666943), (673, 79280), (991, 53840), (1346, 39640), (1982, 26920), (2692, 19820), (3365, 15856), (3964, 13460), (4955, 10768), (5384, 9910), (6730, 7928)]