1570986680

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{643847}}^1$

素因数の和:643919

約数の個数: 32

約数和(自身を含む): 3592671840

約数和(自身を除く): 2021685160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 643847, 1287694, 2575388, 3219235, 5150776, 6438470, 12876940, 25753880, 39274667, 78549334, 157098668, 196373335, 314197336, 392746670, 785493340, 1570986680]

約数ペア:

[(1, 1570986680), (2, 785493340), (4, 392746670), (5, 314197336), (8, 196373335), (10, 157098668), (20, 78549334), (40, 39274667), (61, 25753880), (122, 12876940), (244, 6438470), (305, 5150776), (488, 3219235), (610, 2575388), (1220, 1287694), (2440, 643847)]