39804920

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{10259}}^1$

素因数の和:10367

約数の個数: 32

約数和(自身を含む): 90493200

約数和(自身を除く): 50688280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 10259, 20518, 41036, 51295, 82072, 102590, 205180, 410360, 995123, 1990246, 3980492, 4975615, 7960984, 9951230, 19902460, 39804920]

約数ペア:

[(1, 39804920), (2, 19902460), (4, 9951230), (5, 7960984), (8, 4975615), (10, 3980492), (20, 1990246), (40, 995123), (97, 410360), (194, 205180), (388, 102590), (485, 82072), (776, 51295), (970, 41036), (1940, 20518), (3880, 10259)]