31907420

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{7561}}^1$

素因数の和:7781

約数の個数: 24

約数和(自身を含む): 67332048

約数和(自身を除く): 35424628

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 7561, 15122, 30244, 37805, 75610, 151220, 1595371, 3190742, 6381484, 7976855, 15953710, 31907420]

約数ペア:

[(1, 31907420), (2, 15953710), (4, 7976855), (5, 6381484), (10, 3190742), (20, 1595371), (211, 151220), (422, 75610), (844, 37805), (1055, 30244), (2110, 15122), (4220, 7561)]