42639725

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1487}}^1$

素因数の和:1565

約数の個数: 24

約数和(自身を含む): 56091648

約数和(自身を除く): 13451923

約数列:

[1, 5, 25, 31, 37, 155, 185, 775, 925, 1147, 1487, 5735, 7435, 28675, 37175, 46097, 55019, 230485, 275095, 1152425, 1375475, 1705589, 8527945, 42639725]

約数ペア:

[(1, 42639725), (5, 8527945), (25, 1705589), (31, 1375475), (37, 1152425), (155, 275095), (185, 230485), (775, 55019), (925, 46097), (1147, 37175), (1487, 28675), (5735, 7435)]