203504080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{195677}}^1$

素因数の和:195703

約数の個数: 40

約数和(自身を含む): 509545512

約数和(自身を除く): 306041432

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 195677, 391354, 782708, 978385, 1565416, 1956770, 2543801, 3130832, 3913540, 5087602, 7827080, 10175204, 12719005, 15654160, 20350408, 25438010, 40700816, 50876020, 101752040, 203504080]

約数ペア:

[(1, 203504080), (2, 101752040), (4, 50876020), (5, 40700816), (8, 25438010), (10, 20350408), (13, 15654160), (16, 12719005), (20, 10175204), (26, 7827080), (40, 5087602), (52, 3913540), (65, 3130832), (80, 2543801), (104, 1956770), (130, 1565416), (208, 978385), (260, 782708), (520, 391354), (1040, 195677)]