2550446720

素因数分解:

$2^7\times 5^1\times {\mathrm{3985073}}^1$

素因数の和:3985092

約数の個数: 32

約数和(自身を含む): 6097163220

約数和(自身を除く): 3546716500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 3985073, 7970146, 15940292, 19925365, 31880584, 39850730, 63761168, 79701460, 127522336, 159402920, 255044672, 318805840, 510089344, 637611680, 1275223360, 2550446720]

約数ペア:

[(1, 2550446720), (2, 1275223360), (4, 637611680), (5, 510089344), (8, 318805840), (10, 255044672), (16, 159402920), (20, 127522336), (32, 79701460), (40, 63761168), (64, 39850730), (80, 31880584), (128, 19925365), (160, 15940292), (320, 7970146), (640, 3985073)]