54211580

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 117028800

約数和(自身を除く): 62817220

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 199, 212, 257, 265, 398, 514, 530, 796, 995, 1028, 1060, 1285, 1990, 2570, 3980, 5140, 10547, 13621, 21094, 27242, 42188, 51143, 52735, 54484, 68105, 102286, 105470, 136210, 204572, 210940, 255715, 272420, 511430, 1022860, 2710579, 5421158, 10842316, 13552895, 27105790, 54211580]

約数ペア:

[(1, 54211580), (2, 27105790), (4, 13552895), (5, 10842316), (10, 5421158), (20, 2710579), (53, 1022860), (106, 511430), (199, 272420), (212, 255715), (257, 210940), (265, 204572), (398, 136210), (514, 105470), (530, 102286), (796, 68105), (995, 54484), (1028, 52735), (1060, 51143), (1285, 42188), (1990, 27242), (2570, 21094), (3980, 13621), (5140, 10547)]