75280000

素因数分解:

$2^7\times 5^4\times {\mathrm{941}}^1$

素因数の和:975

約数の個数: 80

約数和(自身を含む): 187604010

約数和(自身を除く): 112324010

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, 625, 640, 800, 941, 1000, 1250, 1600, 1882, 2000, 2500, 3200, 3764, 4000, 4705, 5000, 7528, 8000, 9410, 10000, 15056, 16000, 18820, 20000, 23525, 30112, 37640, 40000, 47050, 60224, 75280, 80000, 94100, 117625, 120448, 150560, 188200, 235250, 301120, 376400, 470500, 588125, 602240, 752800, 941000, 1176250, 1505600, 1882000, 2352500, 3011200, 3764000, 4705000, 7528000, 9410000, 15056000, 18820000, 37640000, 75280000]

約数ペア:

[(1, 75280000), (2, 37640000), (4, 18820000), (5, 15056000), (8, 9410000), (10, 7528000), (16, 4705000), (20, 3764000), (25, 3011200), (32, 2352500), (40, 1882000), (50, 1505600), (64, 1176250), (80, 941000), (100, 752800), (125, 602240), (128, 588125), (160, 470500), (200, 376400), (250, 301120), (320, 235250), (400, 188200), (500, 150560), (625, 120448), (640, 117625), (800, 94100), (941, 80000), (1000, 75280), (1250, 60224), (1600, 47050), (1882, 40000), (2000, 37640), (2500, 30112), (3200, 23525), (3764, 20000), (4000, 18820), (4705, 16000), (5000, 15056), (7528, 10000), (8000, 9410)]