12814420

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 27897408

約数和(自身を除く): 15082988

約数列:

[1, 2, 4, 5, 10, 20, 67, 73, 131, 134, 146, 262, 268, 292, 335, 365, 524, 655, 670, 730, 1310, 1340, 1460, 2620, 4891, 8777, 9563, 9782, 17554, 19126, 19564, 24455, 35108, 38252, 43885, 47815, 48910, 87770, 95630, 97820, 175540, 191260, 640721, 1281442, 2562884, 3203605, 6407210, 12814420]

約数ペア:

[(1, 12814420), (2, 6407210), (4, 3203605), (5, 2562884), (10, 1281442), (20, 640721), (67, 191260), (73, 175540), (131, 97820), (134, 95630), (146, 87770), (262, 48910), (268, 47815), (292, 43885), (335, 38252), (365, 35108), (524, 24455), (655, 19564), (670, 19126), (730, 17554), (1310, 9782), (1340, 9563), (1460, 8777), (2620, 4891)]