2499403780

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{245521}}^1$

素因数の和:246039

約数の個数: 24

約数和(自身を含む): 5259081240

約数和(自身を除く): 2759677460

約数列:

[1, 2, 4, 5, 10, 20, 509, 1018, 2036, 2545, 5090, 10180, 245521, 491042, 982084, 1227605, 2455210, 4910420, 124970189, 249940378, 499880756, 624850945, 1249701890, 2499403780]

約数ペア:

[(1, 2499403780), (2, 1249701890), (4, 624850945), (5, 499880756), (10, 249940378), (20, 124970189), (509, 4910420), (1018, 2455210), (2036, 1227605), (2545, 982084), (5090, 491042), (10180, 245521)]