39730280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23099}}^1$

素因数の和:23153

約数の個数: 32

約数和(自身を含む): 91476000

約数和(自身を除く): 51745720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 23099, 46198, 92396, 115495, 184792, 230990, 461980, 923960, 993257, 1986514, 3973028, 4966285, 7946056, 9932570, 19865140, 39730280]

約数ペア:

[(1, 39730280), (2, 19865140), (4, 9932570), (5, 7946056), (8, 4966285), (10, 3973028), (20, 1986514), (40, 993257), (43, 923960), (86, 461980), (172, 230990), (215, 184792), (344, 115495), (430, 92396), (860, 46198), (1720, 23099)]