181293520

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{17299}}^1$

素因数の和:17443

約数の個数: 40

約数和(自身を含む): 424749600

約数和(自身を除く): 243456080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 10480, 17299, 34598, 69196, 86495, 138392, 172990, 276784, 345980, 691960, 1383920, 2266169, 4532338, 9064676, 11330845, 18129352, 22661690, 36258704, 45323380, 90646760, 181293520]

約数ペア:

[(1, 181293520), (2, 90646760), (4, 45323380), (5, 36258704), (8, 22661690), (10, 18129352), (16, 11330845), (20, 9064676), (40, 4532338), (80, 2266169), (131, 1383920), (262, 691960), (524, 345980), (655, 276784), (1048, 172990), (1310, 138392), (2096, 86495), (2620, 69196), (5240, 34598), (10480, 17299)]