378205040

素因数分解:

$2^4\times 5^1\times {\mathrm{4727563}}^1$

素因数の和:4727576

約数の個数: 20

約数和(自身を含む): 879326904

約数和(自身を除く): 501121864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4727563, 9455126, 18910252, 23637815, 37820504, 47275630, 75641008, 94551260, 189102520, 378205040]

約数ペア:

[(1, 378205040), (2, 189102520), (4, 94551260), (5, 75641008), (8, 47275630), (10, 37820504), (16, 23637815), (20, 18910252), (40, 9455126), (80, 4727563)]