25448840

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{3331}}^1$

素因数の和:3533

約数の個数: 32

約数和(自身を含む): 57576960

約数和(自身を除く): 32128120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3331, 3820, 6662, 7640, 13324, 16655, 26648, 33310, 66620, 133240, 636221, 1272442, 2544884, 3181105, 5089768, 6362210, 12724420, 25448840]

約数ペア:

[(1, 25448840), (2, 12724420), (4, 6362210), (5, 5089768), (8, 3181105), (10, 2544884), (20, 1272442), (40, 636221), (191, 133240), (382, 66620), (764, 33310), (955, 26648), (1528, 16655), (1910, 13324), (3331, 7640), (3820, 6662)]