38978840

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{7673}}^1$

素因数の和:7811

約数の個数: 32

約数和(自身を含む): 88404480

約数和(自身を除く): 49425640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 7673, 15346, 30692, 38365, 61384, 76730, 153460, 306920, 974471, 1948942, 3897884, 4872355, 7795768, 9744710, 19489420, 38978840]

約数ペア:

[(1, 38978840), (2, 19489420), (4, 9744710), (5, 7795768), (8, 4872355), (10, 3897884), (20, 1948942), (40, 974471), (127, 306920), (254, 153460), (508, 76730), (635, 61384), (1016, 38365), (1270, 30692), (2540, 15346), (5080, 7673)]