155573240

素因数分解:

$2^3\times 5^1\times {\mathrm{3889331}}^1$

素因数の和:3889342

約数の個数: 16

約数和(自身を含む): 350039880

約数和(自身を除く): 194466640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3889331, 7778662, 15557324, 19446655, 31114648, 38893310, 77786620, 155573240]

約数ペア:

[(1, 155573240), (2, 77786620), (4, 38893310), (5, 31114648), (8, 19446655), (10, 15557324), (20, 7778662), (40, 3889331)]