64540016

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{130121}}^1$

素因数の和:130160

約数の個数: 20

約数和(自身を含む): 129081024

約数和(自身を除く): 64541008

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 130121, 260242, 520484, 1040968, 2081936, 4033751, 8067502, 16135004, 32270008, 64540016]

約数ペア:

[(1, 64540016), (2, 32270008), (4, 16135004), (8, 8067502), (16, 4033751), (31, 2081936), (62, 1040968), (124, 520484), (248, 260242), (496, 130121)]