40378160

素因数分解:

$2^4\times 5^1\times {\mathrm{504727}}^1$

素因数の和:504740

約数の個数: 20

約数和(自身を含む): 93879408

約数和(自身を除く): 53501248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 504727, 1009454, 2018908, 2523635, 4037816, 5047270, 8075632, 10094540, 20189080, 40378160]

約数ペア:

[(1, 40378160), (2, 20189080), (4, 10094540), (5, 8075632), (8, 5047270), (10, 4037816), (16, 2523635), (20, 2018908), (40, 1009454), (80, 504727)]