1605880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2113}}^1$

素因数の和:2143

約数の個数: 32

約数和(自身を含む): 3805200

約数和(自身を除く): 2199320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 2113, 4226, 8452, 10565, 16904, 21130, 40147, 42260, 80294, 84520, 160588, 200735, 321176, 401470, 802940, 1605880]

約数ペア:

[(1, 1605880), (2, 802940), (4, 401470), (5, 321176), (8, 200735), (10, 160588), (19, 84520), (20, 80294), (38, 42260), (40, 40147), (76, 21130), (95, 16904), (152, 10565), (190, 8452), (380, 4226), (760, 2113)]