163208120

素因数分解:

$2^3\times 5^1\times {\mathrm{1931}}^1\times {\mathrm{2113}}^1$

素因数の和:4055

約数の個数: 32

約数和(自身を含む): 367582320

約数和(自身を除く): 204374200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1931, 2113, 3862, 4226, 7724, 8452, 9655, 10565, 15448, 16904, 19310, 21130, 38620, 42260, 77240, 84520, 4080203, 8160406, 16320812, 20401015, 32641624, 40802030, 81604060, 163208120]

約数ペア:

[(1, 163208120), (2, 81604060), (4, 40802030), (5, 32641624), (8, 20401015), (10, 16320812), (20, 8160406), (40, 4080203), (1931, 84520), (2113, 77240), (3862, 42260), (4226, 38620), (7724, 21130), (8452, 19310), (9655, 16904), (10565, 15448)]