28580140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1487}}^1$

素因数の和:1558

約数の個数: 36

約数和(自身を含む): 62058528

約数和(自身を除く): 33478388

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 961, 1487, 1922, 2974, 3844, 4805, 5948, 7435, 9610, 14870, 19220, 29740, 46097, 92194, 184388, 230485, 460970, 921940, 1429007, 2858014, 5716028, 7145035, 14290070, 28580140]

約数ペア:

[(1, 28580140), (2, 14290070), (4, 7145035), (5, 5716028), (10, 2858014), (20, 1429007), (31, 921940), (62, 460970), (124, 230485), (155, 184388), (310, 92194), (620, 46097), (961, 29740), (1487, 19220), (1922, 14870), (2974, 9610), (3844, 7435), (4805, 5948)]