40540072

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{266711}}^1$

素因数の和:266736

約数の個数: 16

約数和(自身を含む): 80013600

約数和(自身を除く): 39473528

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 266711, 533422, 1066844, 2133688, 5067509, 10135018, 20270036, 40540072]

約数ペア:

[(1, 40540072), (2, 20270036), (4, 10135018), (8, 5067509), (19, 2133688), (38, 1066844), (76, 533422), (152, 266711)]