12975950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19963}}^1$

素因数の和:19988

約数の個数: 24

約数和(自身を含む): 25993128

約数和(自身を除く): 13017178

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 19963, 39926, 99815, 199630, 259519, 499075, 519038, 998150, 1297595, 2595190, 6487975, 12975950]

約数ペア:

[(1, 12975950), (2, 6487975), (5, 2595190), (10, 1297595), (13, 998150), (25, 519038), (26, 499075), (50, 259519), (65, 199630), (130, 99815), (325, 39926), (650, 19963)]