80026400

素因数分解:

$2^5\times 5^2\times {\mathrm{167}}^1\times {\mathrm{599}}^1$

素因数の和:786

約数の個数: 72

約数和(自身を含む): 196862400

約数和(自身を除く): 116836000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 167, 200, 334, 400, 599, 668, 800, 835, 1198, 1336, 1670, 2396, 2672, 2995, 3340, 4175, 4792, 5344, 5990, 6680, 8350, 9584, 11980, 13360, 14975, 16700, 19168, 23960, 26720, 29950, 33400, 47920, 59900, 66800, 95840, 100033, 119800, 133600, 200066, 239600, 400132, 479200, 500165, 800264, 1000330, 1600528, 2000660, 2500825, 3201056, 4001320, 5001650, 8002640, 10003300, 16005280, 20006600, 40013200, 80026400]

約数ペア:

[(1, 80026400), (2, 40013200), (4, 20006600), (5, 16005280), (8, 10003300), (10, 8002640), (16, 5001650), (20, 4001320), (25, 3201056), (32, 2500825), (40, 2000660), (50, 1600528), (80, 1000330), (100, 800264), (160, 500165), (167, 479200), (200, 400132), (334, 239600), (400, 200066), (599, 133600), (668, 119800), (800, 100033), (835, 95840), (1198, 66800), (1336, 59900), (1670, 47920), (2396, 33400), (2672, 29950), (2995, 26720), (3340, 23960), (4175, 19168), (4792, 16700), (5344, 14975), (5990, 13360), (6680, 11980), (8350, 9584)]