86017660

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{439}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 184726080

約数和(自身を除く): 98708420

約数列:

[1, 2, 4, 5, 10, 20, 97, 101, 194, 202, 388, 404, 439, 485, 505, 878, 970, 1010, 1756, 1940, 2020, 2195, 4390, 8780, 9797, 19594, 39188, 42583, 44339, 48985, 85166, 88678, 97970, 170332, 177356, 195940, 212915, 221695, 425830, 443390, 851660, 886780, 4300883, 8601766, 17203532, 21504415, 43008830, 86017660]

約数ペア:

[(1, 86017660), (2, 43008830), (4, 21504415), (5, 17203532), (10, 8601766), (20, 4300883), (97, 886780), (101, 851660), (194, 443390), (202, 425830), (388, 221695), (404, 212915), (439, 195940), (485, 177356), (505, 170332), (878, 97970), (970, 88678), (1010, 85166), (1756, 48985), (1940, 44339), (2020, 42583), (2195, 39188), (4390, 19594), (8780, 9797)]