31240340

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{9029}}^1$

素因数の和:9211

約数の個数: 24

約数和(自身を含む): 65991240

約数和(自身を除く): 34750900

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 9029, 18058, 36116, 45145, 90290, 180580, 1562017, 3124034, 6248068, 7810085, 15620170, 31240340]

約数ペア:

[(1, 31240340), (2, 15620170), (4, 7810085), (5, 6248068), (10, 3124034), (20, 1562017), (173, 180580), (346, 90290), (692, 45145), (865, 36116), (1730, 18058), (3460, 9029)]