80944000

素因数分解:

$2^7\times 5^3\times {\mathrm{5059}}^1$

素因数の和:5088

約数の個数: 64

約数和(自身を含む): 201286800

約数和(自身を除く): 120342800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 320, 400, 500, 640, 800, 1000, 1600, 2000, 3200, 4000, 5059, 8000, 10118, 16000, 20236, 25295, 40472, 50590, 80944, 101180, 126475, 161888, 202360, 252950, 323776, 404720, 505900, 632375, 647552, 809440, 1011800, 1264750, 1618880, 2023600, 2529500, 3237760, 4047200, 5059000, 8094400, 10118000, 16188800, 20236000, 40472000, 80944000]

約数ペア:

[(1, 80944000), (2, 40472000), (4, 20236000), (5, 16188800), (8, 10118000), (10, 8094400), (16, 5059000), (20, 4047200), (25, 3237760), (32, 2529500), (40, 2023600), (50, 1618880), (64, 1264750), (80, 1011800), (100, 809440), (125, 647552), (128, 632375), (160, 505900), (200, 404720), (250, 323776), (320, 252950), (400, 202360), (500, 161888), (640, 126475), (800, 101180), (1000, 80944), (1600, 50590), (2000, 40472), (3200, 25295), (4000, 20236), (5059, 16000), (8000, 10118)]