188791880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{115117}}^1$

素因数の和:115169

約数の個数: 32

約数和(自身を含む): 435146040

約数和(自身を除く): 246354160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 115117, 230234, 460468, 575585, 920936, 1151170, 2302340, 4604680, 4719797, 9439594, 18879188, 23598985, 37758376, 47197970, 94395940, 188791880]

約数ペア:

[(1, 188791880), (2, 94395940), (4, 47197970), (5, 37758376), (8, 23598985), (10, 18879188), (20, 9439594), (40, 4719797), (41, 4604680), (82, 2302340), (164, 1151170), (205, 920936), (328, 575585), (410, 460468), (820, 230234), (1640, 115117)]