55579720

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{4051}}^1$

素因数の和:4083

約数の個数: 64

約数和(自身を含む): 145872000

約数和(自身を除く): 90292280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 4051, 6860, 8102, 13720, 16204, 20255, 28357, 32408, 40510, 56714, 81020, 113428, 141785, 162040, 198499, 226856, 283570, 396998, 567140, 793996, 992495, 1134280, 1389493, 1587992, 1984990, 2778986, 3969980, 5557972, 6947465, 7939960, 11115944, 13894930, 27789860, 55579720]

約数ペア:

[(1, 55579720), (2, 27789860), (4, 13894930), (5, 11115944), (7, 7939960), (8, 6947465), (10, 5557972), (14, 3969980), (20, 2778986), (28, 1984990), (35, 1587992), (40, 1389493), (49, 1134280), (56, 992495), (70, 793996), (98, 567140), (140, 396998), (196, 283570), (245, 226856), (280, 198499), (343, 162040), (392, 141785), (490, 113428), (686, 81020), (980, 56714), (1372, 40510), (1715, 32408), (1960, 28357), (2744, 20255), (3430, 16204), (4051, 13720), (6860, 8102)]