67182340

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{409}}^1$

素因数の和:652

約数の個数: 48

約数和(自身を含む): 145474560

約数和(自身を除く): 78292220

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 191, 215, 382, 409, 430, 764, 818, 860, 955, 1636, 1910, 2045, 3820, 4090, 8180, 8213, 16426, 17587, 32852, 35174, 41065, 70348, 78119, 82130, 87935, 156238, 164260, 175870, 312476, 351740, 390595, 781190, 1562380, 3359117, 6718234, 13436468, 16795585, 33591170, 67182340]

約数ペア:

[(1, 67182340), (2, 33591170), (4, 16795585), (5, 13436468), (10, 6718234), (20, 3359117), (43, 1562380), (86, 781190), (172, 390595), (191, 351740), (215, 312476), (382, 175870), (409, 164260), (430, 156238), (764, 87935), (818, 82130), (860, 78119), (955, 70348), (1636, 41065), (1910, 35174), (2045, 32852), (3820, 17587), (4090, 16426), (8180, 8213)]