28199880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{26111}}^1$

素因数の和:26131

約数の個数: 64

約数和(自身を含む): 94003200

約数和(自身を除く): 65803320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 26111, 52222, 78333, 104444, 130555, 156666, 208888, 234999, 261110, 313332, 391665, 469998, 522220, 626664, 704997, 783330, 939996, 1044440, 1174995, 1409994, 1566660, 1879992, 2349990, 2819988, 3133320, 3524985, 4699980, 5639976, 7049970, 9399960, 14099940, 28199880]

約数ペア:

[(1, 28199880), (2, 14099940), (3, 9399960), (4, 7049970), (5, 5639976), (6, 4699980), (8, 3524985), (9, 3133320), (10, 2819988), (12, 2349990), (15, 1879992), (18, 1566660), (20, 1409994), (24, 1174995), (27, 1044440), (30, 939996), (36, 783330), (40, 704997), (45, 626664), (54, 522220), (60, 469998), (72, 391665), (90, 313332), (108, 261110), (120, 234999), (135, 208888), (180, 156666), (216, 130555), (270, 104444), (360, 78333), (540, 52222), (1080, 26111)]