27739640

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{18743}}^1$

素因数の和:18791

約数の個数: 32

約数和(自身を含む): 64104480

約数和(自身を除く): 36364840

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 18743, 37486, 74972, 93715, 149944, 187430, 374860, 693491, 749720, 1386982, 2773964, 3467455, 5547928, 6934910, 13869820, 27739640]

約数ペア:

[(1, 27739640), (2, 13869820), (4, 6934910), (5, 5547928), (8, 3467455), (10, 2773964), (20, 1386982), (37, 749720), (40, 693491), (74, 374860), (148, 187430), (185, 149944), (296, 93715), (370, 74972), (740, 37486), (1480, 18743)]