1645507510

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{401}}^1\times {\mathrm{2083}}^1$

素因数の和:2688

約数の個数: 32

約数和(自身を含む): 2985805152

約数和(自身を除く): 1340297642

約数列:

[1, 2, 5, 10, 197, 394, 401, 802, 985, 1970, 2005, 2083, 4010, 4166, 10415, 20830, 78997, 157994, 394985, 410351, 789970, 820702, 835283, 1670566, 2051755, 4103510, 4176415, 8352830, 164550751, 329101502, 822753755, 1645507510]

約数ペア:

[(1, 1645507510), (2, 822753755), (5, 329101502), (10, 164550751), (197, 8352830), (394, 4176415), (401, 4103510), (802, 2051755), (985, 1670566), (1970, 835283), (2005, 820702), (2083, 789970), (4010, 410351), (4166, 394985), (10415, 157994), (20830, 78997)]