42120110

素因数分解:

$2^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{6571}}^1$

素因数の和:7219

約数の個数: 16

約数和(自身を含む): 75946032

約数和(自身を除く): 33825922

約数列:

[1, 2, 5, 10, 641, 1282, 3205, 6410, 6571, 13142, 32855, 65710, 4212011, 8424022, 21060055, 42120110]

約数ペア:

[(1, 42120110), (2, 21060055), (5, 8424022), (10, 4212011), (641, 65710), (1282, 32855), (3205, 13142), (6410, 6571)]