86867080

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{419}}^1$

素因数の和:574

約数の個数: 64

約数和(自身を含む): 201398400

約数和(自身を除く): 114531320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 73, 142, 146, 284, 292, 355, 365, 419, 568, 584, 710, 730, 838, 1420, 1460, 1676, 2095, 2840, 2920, 3352, 4190, 5183, 8380, 10366, 16760, 20732, 25915, 29749, 30587, 41464, 51830, 59498, 61174, 103660, 118996, 122348, 148745, 152935, 207320, 237992, 244696, 297490, 305870, 594980, 611740, 1189960, 1223480, 2171677, 4343354, 8686708, 10858385, 17373416, 21716770, 43433540, 86867080]

約数ペア:

[(1, 86867080), (2, 43433540), (4, 21716770), (5, 17373416), (8, 10858385), (10, 8686708), (20, 4343354), (40, 2171677), (71, 1223480), (73, 1189960), (142, 611740), (146, 594980), (284, 305870), (292, 297490), (355, 244696), (365, 237992), (419, 207320), (568, 152935), (584, 148745), (710, 122348), (730, 118996), (838, 103660), (1420, 61174), (1460, 59498), (1676, 51830), (2095, 41464), (2840, 30587), (2920, 29749), (3352, 25915), (4190, 20732), (5183, 16760), (8380, 10366)]