2578492040

素因数分解:

$2^3\times 5^1\times {\mathrm{64462301}}^1$

素因数の和:64462312

約数の個数: 16

約数和(自身を含む): 5801607180

約数和(自身を除く): 3223115140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 64462301, 128924602, 257849204, 322311505, 515698408, 644623010, 1289246020, 2578492040]

約数ペア:

[(1, 2578492040), (2, 1289246020), (4, 644623010), (5, 515698408), (8, 322311505), (10, 257849204), (20, 128924602), (40, 64462301)]