80387200

素因数分解:

$2^7\times 5^2\times {\mathrm{25121}}^1$

素因数の和:25145

約数の個数: 48

約数和(自身を含む): 198589410

約数和(自身を除く): 118202210

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 25121, 50242, 100484, 125605, 200968, 251210, 401936, 502420, 628025, 803872, 1004840, 1256050, 1607744, 2009680, 2512100, 3215488, 4019360, 5024200, 8038720, 10048400, 16077440, 20096800, 40193600, 80387200]

約数ペア:

[(1, 80387200), (2, 40193600), (4, 20096800), (5, 16077440), (8, 10048400), (10, 8038720), (16, 5024200), (20, 4019360), (25, 3215488), (32, 2512100), (40, 2009680), (50, 1607744), (64, 1256050), (80, 1004840), (100, 803872), (128, 628025), (160, 502420), (200, 401936), (320, 251210), (400, 200968), (640, 125605), (800, 100484), (1600, 50242), (3200, 25121)]