2019617440

素因数分解:

$2^5\times 5^1\times {\mathrm{12622609}}^1$

素因数の和:12622624

約数の個数: 24

約数和(自身を含む): 4771346580

約数和(自身を除く): 2751729140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 12622609, 25245218, 50490436, 63113045, 100980872, 126226090, 201961744, 252452180, 403923488, 504904360, 1009808720, 2019617440]

約数ペア:

[(1, 2019617440), (2, 1009808720), (4, 504904360), (5, 403923488), (8, 252452180), (10, 201961744), (16, 126226090), (20, 100980872), (32, 63113045), (40, 50490436), (80, 25245218), (160, 12622609)]