27964420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1609}}^1$

素因数の和:1708

約数の個数: 48

約数和(自身を含む): 64915200

約数和(自身を除く): 36950780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1609, 1738, 3218, 3476, 4345, 6436, 8045, 8690, 16090, 17380, 17699, 32180, 35398, 70796, 88495, 127111, 176990, 254222, 353980, 508444, 635555, 1271110, 1398221, 2542220, 2796442, 5592884, 6991105, 13982210, 27964420]

約数ペア:

[(1, 27964420), (2, 13982210), (4, 6991105), (5, 5592884), (10, 2796442), (11, 2542220), (20, 1398221), (22, 1271110), (44, 635555), (55, 508444), (79, 353980), (110, 254222), (158, 176990), (220, 127111), (316, 88495), (395, 70796), (790, 35398), (869, 32180), (1580, 17699), (1609, 17380), (1738, 16090), (3218, 8690), (3476, 8045), (4345, 6436)]