47972440

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1871}}^1$

素因数の和:2523

約数の個数: 32

約数和(自身を含む): 108164160

約数和(自身を除く): 60191720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1282, 1871, 2564, 3205, 3742, 5128, 6410, 7484, 9355, 12820, 14968, 18710, 25640, 37420, 74840, 1199311, 2398622, 4797244, 5996555, 9594488, 11993110, 23986220, 47972440]

約数ペア:

[(1, 47972440), (2, 23986220), (4, 11993110), (5, 9594488), (8, 5996555), (10, 4797244), (20, 2398622), (40, 1199311), (641, 74840), (1282, 37420), (1871, 25640), (2564, 18710), (3205, 14968), (3742, 12820), (5128, 9355), (6410, 7484)]