157218440

素因数分解:

$2^3\times 5^1\times {\mathrm{3930461}}^1$

素因数の和:3930472

約数の個数: 16

約数和(自身を含む): 353741580

約数和(自身を除く): 196523140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3930461, 7860922, 15721844, 19652305, 31443688, 39304610, 78609220, 157218440]

約数ペア:

[(1, 157218440), (2, 78609220), (4, 39304610), (5, 31443688), (8, 19652305), (10, 15721844), (20, 7860922), (40, 3930461)]