512141440

素因数分解:

$2^7\times 5^1\times {\mathrm{800221}}^1$

素因数の和:800240

約数の個数: 32

約数和(自身を含む): 1224339660

約数和(自身を除く): 712198220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 800221, 1600442, 3200884, 4001105, 6401768, 8002210, 12803536, 16004420, 25607072, 32008840, 51214144, 64017680, 102428288, 128035360, 256070720, 512141440]

約数ペア:

[(1, 512141440), (2, 256070720), (4, 128035360), (5, 102428288), (8, 64017680), (10, 51214144), (16, 32008840), (20, 25607072), (32, 16004420), (40, 12803536), (64, 8002210), (80, 6401768), (128, 4001105), (160, 3200884), (320, 1600442), (640, 800221)]