31168880

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{2333}}^1$

素因数の和:2513

約数の個数: 40

約数和(自身を含む): 72932832

約数和(自身を除く): 41763952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 334, 668, 835, 1336, 1670, 2333, 2672, 3340, 4666, 6680, 9332, 11665, 13360, 18664, 23330, 37328, 46660, 93320, 186640, 389611, 779222, 1558444, 1948055, 3116888, 3896110, 6233776, 7792220, 15584440, 31168880]

約数ペア:

[(1, 31168880), (2, 15584440), (4, 7792220), (5, 6233776), (8, 3896110), (10, 3116888), (16, 1948055), (20, 1558444), (40, 779222), (80, 389611), (167, 186640), (334, 93320), (668, 46660), (835, 37328), (1336, 23330), (1670, 18664), (2333, 13360), (2672, 11665), (3340, 9332), (4666, 6680)]