12730340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{90931}}^1$

素因数の和:90947

約数の個数: 24

約数和(自身を含む): 30553152

約数和(自身を除く): 17822812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 90931, 181862, 363724, 454655, 636517, 909310, 1273034, 1818620, 2546068, 3182585, 6365170, 12730340]

約数ペア:

[(1, 12730340), (2, 6365170), (4, 3182585), (5, 2546068), (7, 1818620), (10, 1273034), (14, 909310), (20, 636517), (28, 454655), (35, 363724), (70, 181862), (140, 90931)]