27811660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{81799}}^1$

素因数の和:81825

約数の個数: 24

約数和(自身を含む): 61840800

約数和(自身を除く): 34029140

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 81799, 163598, 327196, 408995, 817990, 1390583, 1635980, 2781166, 5562332, 6952915, 13905830, 27811660]

約数ペア:

[(1, 27811660), (2, 13905830), (4, 6952915), (5, 5562332), (10, 2781166), (17, 1635980), (20, 1390583), (34, 817990), (68, 408995), (85, 327196), (170, 163598), (340, 81799)]