53240140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{64927}}^1$

素因数の和:64977

約数の個数: 24

約数和(自身を含む): 114532992

約数和(自身を除く): 61292852

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 64927, 129854, 259708, 324635, 649270, 1298540, 2662007, 5324014, 10648028, 13310035, 26620070, 53240140]

約数ペア:

[(1, 53240140), (2, 26620070), (4, 13310035), (5, 10648028), (10, 5324014), (20, 2662007), (41, 1298540), (82, 649270), (164, 324635), (205, 259708), (410, 129854), (820, 64927)]