51445420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{6823}}^1$

素因数の和:6874

約数の個数: 48

約数和(自身を含む): 120375360

約数和(自身を除く): 68929940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 3770, 6823, 7540, 13646, 27292, 34115, 68230, 88699, 136460, 177398, 197867, 354796, 395734, 443495, 791468, 886990, 989335, 1773980, 1978670, 2572271, 3957340, 5144542, 10289084, 12861355, 25722710, 51445420]

約数ペア:

[(1, 51445420), (2, 25722710), (4, 12861355), (5, 10289084), (10, 5144542), (13, 3957340), (20, 2572271), (26, 1978670), (29, 1773980), (52, 989335), (58, 886990), (65, 791468), (116, 443495), (130, 395734), (145, 354796), (260, 197867), (290, 177398), (377, 136460), (580, 88699), (754, 68230), (1508, 34115), (1885, 27292), (3770, 13646), (6823, 7540)]