5389348520

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{210193}}^1$

素因数の和:210845

約数の個数: 32

約数和(自身を含む): 12145009320

約数和(自身を除く): 6755660800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1282, 2564, 3205, 5128, 6410, 12820, 25640, 210193, 420386, 840772, 1050965, 1681544, 2101930, 4203860, 8407720, 134733713, 269467426, 538934852, 673668565, 1077869704, 1347337130, 2694674260, 5389348520]

約数ペア:

[(1, 5389348520), (2, 2694674260), (4, 1347337130), (5, 1077869704), (8, 673668565), (10, 538934852), (20, 269467426), (40, 134733713), (641, 8407720), (1282, 4203860), (2564, 2101930), (3205, 1681544), (5128, 1050965), (6410, 840772), (12820, 420386), (25640, 210193)]