80266000

素因数分解:

$2^4\times 5^3\times {\mathrm{67}}^1\times {\mathrm{599}}^1$

素因数の和:689

約数の個数: 80

約数和(自身を含む): 197308800

約数和(自身を除く): 117042800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 67, 80, 100, 125, 134, 200, 250, 268, 335, 400, 500, 536, 599, 670, 1000, 1072, 1198, 1340, 1675, 2000, 2396, 2680, 2995, 3350, 4792, 5360, 5990, 6700, 8375, 9584, 11980, 13400, 14975, 16750, 23960, 26800, 29950, 33500, 40133, 47920, 59900, 67000, 74875, 80266, 119800, 134000, 149750, 160532, 200665, 239600, 299500, 321064, 401330, 599000, 642128, 802660, 1003325, 1198000, 1605320, 2006650, 3210640, 4013300, 5016625, 8026600, 10033250, 16053200, 20066500, 40133000, 80266000]

約数ペア:

[(1, 80266000), (2, 40133000), (4, 20066500), (5, 16053200), (8, 10033250), (10, 8026600), (16, 5016625), (20, 4013300), (25, 3210640), (40, 2006650), (50, 1605320), (67, 1198000), (80, 1003325), (100, 802660), (125, 642128), (134, 599000), (200, 401330), (250, 321064), (268, 299500), (335, 239600), (400, 200665), (500, 160532), (536, 149750), (599, 134000), (670, 119800), (1000, 80266), (1072, 74875), (1198, 67000), (1340, 59900), (1675, 47920), (2000, 40133), (2396, 33500), (2680, 29950), (2995, 26800), (3350, 23960), (4792, 16750), (5360, 14975), (5990, 13400), (6700, 11980), (8375, 9584)]