39045400

素因数分解:

$2^3\times 5^2\times {\mathrm{197}}^1\times {\mathrm{991}}^1$

素因数の和:1204

約数の個数: 48

約数和(自身を含む): 91333440

約数和(自身を除く): 52288040

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 197, 200, 394, 788, 985, 991, 1576, 1970, 1982, 3940, 3964, 4925, 4955, 7880, 7928, 9850, 9910, 19700, 19820, 24775, 39400, 39640, 49550, 99100, 195227, 198200, 390454, 780908, 976135, 1561816, 1952270, 3904540, 4880675, 7809080, 9761350, 19522700, 39045400]

約数ペア:

[(1, 39045400), (2, 19522700), (4, 9761350), (5, 7809080), (8, 4880675), (10, 3904540), (20, 1952270), (25, 1561816), (40, 976135), (50, 780908), (100, 390454), (197, 198200), (200, 195227), (394, 99100), (788, 49550), (985, 39640), (991, 39400), (1576, 24775), (1970, 19820), (1982, 19700), (3940, 9910), (3964, 9850), (4925, 7928), (4955, 7880)]