831365380

素因数分解:

$2^2\times 5^1\times {\mathrm{1607}}^1\times {\mathrm{25867}}^1$

素因数の和:27483

約数の個数: 24

約数和(自身を含む): 1747021248

約数和(自身を除く): 915655868

約数列:

[1, 2, 4, 5, 10, 20, 1607, 3214, 6428, 8035, 16070, 25867, 32140, 51734, 103468, 129335, 258670, 517340, 41568269, 83136538, 166273076, 207841345, 415682690, 831365380]

約数ペア:

[(1, 831365380), (2, 415682690), (4, 207841345), (5, 166273076), (10, 83136538), (20, 41568269), (1607, 517340), (3214, 258670), (6428, 129335), (8035, 103468), (16070, 51734), (25867, 32140)]