129568760

素因数分解:

$2^3\times 5^1\times {\mathrm{3239219}}^1$

素因数の和:3239230

約数の個数: 16

約数和(自身を含む): 291529800

約数和(自身を除く): 161961040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3239219, 6478438, 12956876, 16196095, 25913752, 32392190, 64784380, 129568760]

約数ペア:

[(1, 129568760), (2, 64784380), (4, 32392190), (5, 25913752), (8, 16196095), (10, 12956876), (20, 6478438), (40, 3239219)]