31490180

素因数分解:

$2^2\times 5^1\times {\mathrm{761}}^1\times {\mathrm{2069}}^1$

素因数の和:2839

約数の個数: 24

約数和(自身を含む): 66248280

約数和(自身を除く): 34758100

約数列:

[1, 2, 4, 5, 10, 20, 761, 1522, 2069, 3044, 3805, 4138, 7610, 8276, 10345, 15220, 20690, 41380, 1574509, 3149018, 6298036, 7872545, 15745090, 31490180]

約数ペア:

[(1, 31490180), (2, 15745090), (4, 7872545), (5, 6298036), (10, 3149018), (20, 1574509), (761, 41380), (1522, 20690), (2069, 15220), (3044, 10345), (3805, 8276), (4138, 7610)]