42120245

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{521}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 57127680

約数和(自身を除く): 15007435

約数列:

[1, 5, 19, 23, 37, 95, 115, 185, 437, 521, 703, 851, 2185, 2605, 3515, 4255, 9899, 11983, 16169, 19277, 49495, 59915, 80845, 96385, 227677, 366263, 443371, 1138385, 1831315, 2216855, 8424049, 42120245]

約数ペア:

[(1, 42120245), (5, 8424049), (19, 2216855), (23, 1831315), (37, 1138385), (95, 443371), (115, 366263), (185, 227677), (437, 96385), (521, 80845), (703, 59915), (851, 49495), (2185, 19277), (2605, 16169), (3515, 11983), (4255, 9899)]