51200680

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{4621}}^1$

素因数の和:4909

約数の個数: 32

約数和(自身を含む): 115642440

約数和(自身を除く): 64441760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1385, 2216, 2770, 4621, 5540, 9242, 11080, 18484, 23105, 36968, 46210, 92420, 184840, 1280017, 2560034, 5120068, 6400085, 10240136, 12800170, 25600340, 51200680]

約数ペア:

[(1, 51200680), (2, 25600340), (4, 12800170), (5, 10240136), (8, 6400085), (10, 5120068), (20, 2560034), (40, 1280017), (277, 184840), (554, 92420), (1108, 46210), (1385, 36968), (2216, 23105), (2770, 18484), (4621, 11080), (5540, 9242)]