51302719640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{228581}}^1$

素因数の和:228804

約数の個数: 64

約数和(自身を含む): 119813541120

約数和(自身を除く): 68510821480

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 181, 248, 310, 362, 620, 724, 905, 1240, 1448, 1810, 3620, 5611, 7240, 11222, 22444, 28055, 44888, 56110, 112220, 224440, 228581, 457162, 914324, 1142905, 1828648, 2285810, 4571620, 7086011, 9143240, 14172022, 28344044, 35430055, 41373161, 56688088, 70860110, 82746322, 141720220, 165492644, 206865805, 283440440, 330985288, 413731610, 827463220, 1282567991, 1654926440, 2565135982, 5130271964, 6412839955, 10260543928, 12825679910, 25651359820, 51302719640]

約数ペア:

[(1, 51302719640), (2, 25651359820), (4, 12825679910), (5, 10260543928), (8, 6412839955), (10, 5130271964), (20, 2565135982), (31, 1654926440), (40, 1282567991), (62, 827463220), (124, 413731610), (155, 330985288), (181, 283440440), (248, 206865805), (310, 165492644), (362, 141720220), (620, 82746322), (724, 70860110), (905, 56688088), (1240, 41373161), (1448, 35430055), (1810, 28344044), (3620, 14172022), (5611, 9143240), (7240, 7086011), (11222, 4571620), (22444, 2285810), (28055, 1828648), (44888, 1142905), (56110, 914324), (112220, 457162), (224440, 228581)]