8157520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{2081}}^1$

素因数の和:2108

約数の個数: 60

約数和(自身を含む): 22073364

約数和(自身を除く): 13915844

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 2081, 3920, 4162, 8324, 10405, 14567, 16648, 20810, 29134, 33296, 41620, 58268, 72835, 83240, 101969, 116536, 145670, 166480, 203938, 233072, 291340, 407876, 509845, 582680, 815752, 1019690, 1165360, 1631504, 2039380, 4078760, 8157520]

約数ペア:

[(1, 8157520), (2, 4078760), (4, 2039380), (5, 1631504), (7, 1165360), (8, 1019690), (10, 815752), (14, 582680), (16, 509845), (20, 407876), (28, 291340), (35, 233072), (40, 203938), (49, 166480), (56, 145670), (70, 116536), (80, 101969), (98, 83240), (112, 72835), (140, 58268), (196, 41620), (245, 33296), (280, 29134), (392, 20810), (490, 16648), (560, 14567), (784, 10405), (980, 8324), (1960, 4162), (2081, 3920)]