31335760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23041}}^1$

素因数の和:23071

約数の個数: 40

約数和(自身を含む): 77144616

約数和(自身を除く): 45808856

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 23041, 46082, 92164, 115205, 184328, 230410, 368656, 391697, 460820, 783394, 921640, 1566788, 1843280, 1958485, 3133576, 3916970, 6267152, 7833940, 15667880, 31335760]

約数ペア:

[(1, 31335760), (2, 15667880), (4, 7833940), (5, 6267152), (8, 3916970), (10, 3133576), (16, 1958485), (17, 1843280), (20, 1566788), (34, 921640), (40, 783394), (68, 460820), (80, 391697), (85, 368656), (136, 230410), (170, 184328), (272, 115205), (340, 92164), (680, 46082), (1360, 23041)]