27940840

素因数分解:

$2^3\times 5^1\times {\mathrm{698521}}^1$

素因数の和:698532

約数の個数: 16

約数和(自身を含む): 62866980

約数和(自身を除く): 34926140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 698521, 1397042, 2794084, 3492605, 5588168, 6985210, 13970420, 27940840]

約数ペア:

[(1, 27940840), (2, 13970420), (4, 6985210), (5, 5588168), (8, 3492605), (10, 2794084), (20, 1397042), (40, 698521)]