87451240

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{75389}}^1$

素因数の和:75429

約数の個数: 32

約数和(自身を含む): 203553000

約数和(自身を除く): 116101760

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 75389, 150778, 301556, 376945, 603112, 753890, 1507780, 2186281, 3015560, 4372562, 8745124, 10931405, 17490248, 21862810, 43725620, 87451240]

約数ペア:

[(1, 87451240), (2, 43725620), (4, 21862810), (5, 17490248), (8, 10931405), (10, 8745124), (20, 4372562), (29, 3015560), (40, 2186281), (58, 1507780), (116, 753890), (145, 603112), (232, 376945), (290, 301556), (580, 150778), (1160, 75389)]