38980840

素因数分解:

$2^3\times 5^1\times {\mathrm{929}}^1\times {\mathrm{1049}}^1$

素因数の和:1989

約数の個数: 32

約数和(自身を含む): 87885000

約数和(自身を除く): 48904160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 929, 1049, 1858, 2098, 3716, 4196, 4645, 5245, 7432, 8392, 9290, 10490, 18580, 20980, 37160, 41960, 974521, 1949042, 3898084, 4872605, 7796168, 9745210, 19490420, 38980840]

約数ペア:

[(1, 38980840), (2, 19490420), (4, 9745210), (5, 7796168), (8, 4872605), (10, 3898084), (20, 1949042), (40, 974521), (929, 41960), (1049, 37160), (1858, 20980), (2098, 18580), (3716, 10490), (4196, 9290), (4645, 8392), (5245, 7432)]