27761240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{271}}^1$

素因数の和:492

約数の個数: 64

約数和(自身を含む): 67858560

約数和(自身を除く): 40097320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 197, 260, 271, 394, 520, 542, 788, 985, 1084, 1355, 1576, 1970, 2168, 2561, 2710, 3523, 3940, 5122, 5420, 7046, 7880, 10244, 10840, 12805, 14092, 17615, 20488, 25610, 28184, 35230, 51220, 53387, 70460, 102440, 106774, 140920, 213548, 266935, 427096, 533870, 694031, 1067740, 1388062, 2135480, 2776124, 3470155, 5552248, 6940310, 13880620, 27761240]

約数ペア:

[(1, 27761240), (2, 13880620), (4, 6940310), (5, 5552248), (8, 3470155), (10, 2776124), (13, 2135480), (20, 1388062), (26, 1067740), (40, 694031), (52, 533870), (65, 427096), (104, 266935), (130, 213548), (197, 140920), (260, 106774), (271, 102440), (394, 70460), (520, 53387), (542, 51220), (788, 35230), (985, 28184), (1084, 25610), (1355, 20488), (1576, 17615), (1970, 14092), (2168, 12805), (2561, 10840), (2710, 10244), (3523, 7880), (3940, 7046), (5122, 5420)]