40257440

素因数分解:

$2^5\times 5^1\times {\mathrm{251609}}^1$

素因数の和:251624

約数の個数: 24

約数和(自身を含む): 95108580

約数和(自身を除く): 54851140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 251609, 503218, 1006436, 1258045, 2012872, 2516090, 4025744, 5032180, 8051488, 10064360, 20128720, 40257440]

約数ペア:

[(1, 40257440), (2, 20128720), (4, 10064360), (5, 8051488), (8, 5032180), (10, 4025744), (16, 2516090), (20, 2012872), (32, 1258045), (40, 1006436), (80, 503218), (160, 251609)]