47131720

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{16141}}^1$

素因数の和:16225

約数の個数: 32

約数和(自身を含む): 107505720

約数和(自身を除く): 60374000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 16141, 32282, 64564, 80705, 129128, 161410, 322820, 645640, 1178293, 2356586, 4713172, 5891465, 9426344, 11782930, 23565860, 47131720]

約数ペア:

[(1, 47131720), (2, 23565860), (4, 11782930), (5, 9426344), (8, 5891465), (10, 4713172), (20, 2356586), (40, 1178293), (73, 645640), (146, 322820), (292, 161410), (365, 129128), (584, 80705), (730, 64564), (1460, 32282), (2920, 16141)]