27787720

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{5303}}^1$

素因数の和:5445

約数の個数: 32

約数和(自身を含む): 63011520

約数和(自身を除く): 35223800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 5303, 10606, 21212, 26515, 42424, 53030, 106060, 212120, 694693, 1389386, 2778772, 3473465, 5557544, 6946930, 13893860, 27787720]

約数ペア:

[(1, 27787720), (2, 13893860), (4, 6946930), (5, 5557544), (8, 3473465), (10, 2778772), (20, 1389386), (40, 694693), (131, 212120), (262, 106060), (524, 53030), (655, 42424), (1048, 26515), (1310, 21212), (2620, 10606), (5240, 5303)]