2912871040

素因数分解:

$2^7\times 5^1\times {\mathrm{4551361}}^1$

素因数の和:4551380

約数の個数: 32

約数和(自身を含む): 6963583860

約数和(自身を除く): 4050712820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 4551361, 9102722, 18205444, 22756805, 36410888, 45513610, 72821776, 91027220, 145643552, 182054440, 291287104, 364108880, 582574208, 728217760, 1456435520, 2912871040]

約数ペア:

[(1, 2912871040), (2, 1456435520), (4, 728217760), (5, 582574208), (8, 364108880), (10, 291287104), (16, 182054440), (20, 145643552), (32, 91027220), (40, 72821776), (64, 45513610), (80, 36410888), (128, 22756805), (160, 18205444), (320, 9102722), (640, 4551361)]