27759980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{81647}}^1$

素因数の和:81673

約数の個数: 24

約数和(自身を含む): 61725888

約数和(自身を除く): 33965908

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 81647, 163294, 326588, 408235, 816470, 1387999, 1632940, 2775998, 5551996, 6939995, 13879990, 27759980]

約数ペア:

[(1, 27759980), (2, 13879990), (4, 6939995), (5, 5551996), (10, 2775998), (17, 1632940), (20, 1387999), (34, 816470), (68, 408235), (85, 326588), (170, 163294), (340, 81647)]