66185840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{118189}}^1$

素因数の和:118209

約数の個数: 40

約数和(自身を含む): 175866720

約数和(自身を除く): 109680880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 118189, 236378, 472756, 590945, 827323, 945512, 1181890, 1654646, 1891024, 2363780, 3309292, 4136615, 4727560, 6618584, 8273230, 9455120, 13237168, 16546460, 33092920, 66185840]

約数ペア:

[(1, 66185840), (2, 33092920), (4, 16546460), (5, 13237168), (7, 9455120), (8, 8273230), (10, 6618584), (14, 4727560), (16, 4136615), (20, 3309292), (28, 2363780), (35, 1891024), (40, 1654646), (56, 1181890), (70, 945512), (80, 827323), (112, 590945), (140, 472756), (280, 236378), (560, 118189)]