66507890

素因数分解:

$2^1\times 5^1\times {\mathrm{809}}^1\times {\mathrm{8221}}^1$

素因数の和:9037

約数の個数: 16

約数和(自身を含む): 119876760

約数和(自身を除く): 53368870

約数列:

[1, 2, 5, 10, 809, 1618, 4045, 8090, 8221, 16442, 41105, 82210, 6650789, 13301578, 33253945, 66507890]

約数ペア:

[(1, 66507890), (2, 33253945), (5, 13301578), (10, 6650789), (809, 82210), (1618, 41105), (4045, 16442), (8090, 8221)]