89142520

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{76847}}^1$

素因数の和:76887

約数の個数: 32

約数和(自身を含む): 207489600

約数和(自身を除く): 118347080

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 76847, 153694, 307388, 384235, 614776, 768470, 1536940, 2228563, 3073880, 4457126, 8914252, 11142815, 17828504, 22285630, 44571260, 89142520]

約数ペア:

[(1, 89142520), (2, 44571260), (4, 22285630), (5, 17828504), (8, 11142815), (10, 8914252), (20, 4457126), (29, 3073880), (40, 2228563), (58, 1536940), (116, 768470), (145, 614776), (232, 384235), (290, 307388), (580, 153694), (1160, 76847)]