88888840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{116959}}^1$

素因数の和:116989

約数の個数: 32

約数和(自身を含む): 210528000

約数和(自身を除く): 121639160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 116959, 233918, 467836, 584795, 935672, 1169590, 2222221, 2339180, 4444442, 4678360, 8888884, 11111105, 17777768, 22222210, 44444420, 88888840]

約数ペア:

[(1, 88888840), (2, 44444420), (4, 22222210), (5, 17777768), (8, 11111105), (10, 8888884), (19, 4678360), (20, 4444442), (38, 2339180), (40, 2222221), (76, 1169590), (95, 935672), (152, 584795), (190, 467836), (380, 233918), (760, 116959)]