87748840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{115459}}^1$

素因数の和:115489

約数の個数: 32

約数和(自身を含む): 207828000

約数和(自身を除く): 120079160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 115459, 230918, 461836, 577295, 923672, 1154590, 2193721, 2309180, 4387442, 4618360, 8774884, 10968605, 17549768, 21937210, 43874420, 87748840]

約数ペア:

[(1, 87748840), (2, 43874420), (4, 21937210), (5, 17549768), (8, 10968605), (10, 8774884), (19, 4618360), (20, 4387442), (38, 2309180), (40, 2193721), (76, 1154590), (95, 923672), (152, 577295), (190, 461836), (380, 230918), (760, 115459)]