55605220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{1283}}^1$

素因数の和:1500

約数の個数: 48

約数和(自身を含む): 128132928

約数和(自身を除く): 72527708

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 197, 220, 394, 788, 985, 1283, 1970, 2167, 2566, 3940, 4334, 5132, 6415, 8668, 10835, 12830, 14113, 21670, 25660, 28226, 43340, 56452, 70565, 141130, 252751, 282260, 505502, 1011004, 1263755, 2527510, 2780261, 5055020, 5560522, 11121044, 13901305, 27802610, 55605220]

約数ペア:

[(1, 55605220), (2, 27802610), (4, 13901305), (5, 11121044), (10, 5560522), (11, 5055020), (20, 2780261), (22, 2527510), (44, 1263755), (55, 1011004), (110, 505502), (197, 282260), (220, 252751), (394, 141130), (788, 70565), (985, 56452), (1283, 43340), (1970, 28226), (2167, 25660), (2566, 21670), (3940, 14113), (4334, 12830), (5132, 10835), (6415, 8668)]