31358840

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{6173}}^1$

素因数の和:6311

約数の個数: 32

約数和(自身を含む): 71124480

約数和(自身を除く): 39765640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 6173, 12346, 24692, 30865, 49384, 61730, 123460, 246920, 783971, 1567942, 3135884, 3919855, 6271768, 7839710, 15679420, 31358840]

約数ペア:

[(1, 31358840), (2, 15679420), (4, 7839710), (5, 6271768), (8, 3919855), (10, 3135884), (20, 1567942), (40, 783971), (127, 246920), (254, 123460), (508, 61730), (635, 49384), (1016, 30865), (1270, 24692), (2540, 12346), (5080, 6173)]