79993640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{2081}}^1$

素因数の和:2154

約数の個数: 48

約数和(自身を含む): 186068340

約数和(自身を除く): 106074700

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 961, 1240, 1922, 2081, 3844, 4162, 4805, 7688, 8324, 9610, 10405, 16648, 19220, 20810, 38440, 41620, 64511, 83240, 129022, 258044, 322555, 516088, 645110, 1290220, 1999841, 2580440, 3999682, 7999364, 9999205, 15998728, 19998410, 39996820, 79993640]

約数ペア:

[(1, 79993640), (2, 39996820), (4, 19998410), (5, 15998728), (8, 9999205), (10, 7999364), (20, 3999682), (31, 2580440), (40, 1999841), (62, 1290220), (124, 645110), (155, 516088), (248, 322555), (310, 258044), (620, 129022), (961, 83240), (1240, 64511), (1922, 41620), (2081, 38440), (3844, 20810), (4162, 19220), (4805, 16648), (7688, 10405), (8324, 9610)]