27806920

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{2221}}^1$

素因数の和:2545

約数の個数: 32

約数和(自身を含む): 62793720

約数和(自身を除く): 34986800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2221, 2504, 3130, 4442, 6260, 8884, 11105, 12520, 17768, 22210, 44420, 88840, 695173, 1390346, 2780692, 3475865, 5561384, 6951730, 13903460, 27806920]

約数ペア:

[(1, 27806920), (2, 13903460), (4, 6951730), (5, 5561384), (8, 3475865), (10, 2780692), (20, 1390346), (40, 695173), (313, 88840), (626, 44420), (1252, 22210), (1565, 17768), (2221, 12520), (2504, 11105), (3130, 8884), (4442, 6260)]