520035856

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{129491}}^1$

素因数の和:129750

約数の個数: 20

約数和(自身を含む): 1011591504

約数和(自身を除く): 491555648

約数列:

[1, 2, 4, 8, 16, 251, 502, 1004, 2008, 4016, 129491, 258982, 517964, 1035928, 2071856, 32502241, 65004482, 130008964, 260017928, 520035856]

約数ペア:

[(1, 520035856), (2, 260017928), (4, 130008964), (8, 65004482), (16, 32502241), (251, 2071856), (502, 1035928), (1004, 517964), (2008, 258982), (4016, 129491)]