108695890

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{99721}}^1$

素因数の和:99837

約数の個数: 16

約数和(自身を含む): 197449560

約数和(自身を除く): 88753670

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 99721, 199442, 498605, 997210, 10869589, 21739178, 54347945, 108695890]

約数ペア:

[(1, 108695890), (2, 54347945), (5, 21739178), (10, 10869589), (109, 997210), (218, 498605), (545, 199442), (1090, 99721)]