27199660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79999}}^1$

素因数の和:80025

約数の個数: 24

約数和(自身を含む): 60480000

約数和(自身を除く): 33280340

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 79999, 159998, 319996, 399995, 799990, 1359983, 1599980, 2719966, 5439932, 6799915, 13599830, 27199660]

約数ペア:

[(1, 27199660), (2, 13599830), (4, 6799915), (5, 5439932), (10, 2719966), (17, 1599980), (20, 1359983), (34, 799990), (68, 399995), (85, 319996), (170, 159998), (340, 79999)]